原生JavaScript技巧大收集
??????? host = match[1];??? }??? return host;}3、原生JavaScript清除空格

String.prototype.trim = function() {??? var reExtraSpace = /^\s*(.*?)\s+$/;??? return this.replace(reExtraSpace, "$1")}

String.prototype.replaceAll = function(s1, s2) {??? return this.replace(new RegExp(s1, "gm"), s2)}

function HtmlEncode(text) {??? return text.replace(/&/g, '&').replace(/\"/g, '"').replace(/</g, '<').replace(/>/g, '>')}

function HtmlDecode(text) {??? return text.replace(/&/g, '&').replace(/"/g, '\"').replace(/</g, '<').replace(/>/g, '>')}

Date.prototype.Format = function(formatStr) {??? var str = formatStr;??? var Week = ['日', '一', '二', '三', '四', '五', '六'];??? str = str.replace(/yyyy|YYYY/, this.getFullYear());??? str = str.replace(/yy|YY/, (this.getYear() % 100) > 9 ? (this.getYear() % 100).toString() : '0' + (this.getYear() % 100));??? str = str.replace(/MM/, (this.getMonth() + 1) > 9 ? (this.getMonth() + 1).toString() : '0' + (this.getMonth() + 1));??? str = str.replace(/M/g, (this.getMonth() + 1));??? str = str.replace(/w|W/g, Week[this.getDay()]);??? str = str.replace(/dd|DD/, this.getDate() > 9 ? this.getDate().toString() : '0' + this.getDate());??? str = str.replace(/d|D/g, this.getDate());??? str = str.replace(/hh|HH/, this.getHours() > 9 ? this.getHours().toString() : '0' + this.getHours());??? str = str.replace(/h|H/g, this.getHours());??? str = str.replace(/mm/, this.getMinutes() > 9 ? this.getMinutes().toString() : '0' + this.getMinutes());??? str = str.replace(/m/g, this.getMinutes());??? str = str.replace(/ss|SS/, this.getSeconds() > 9 ? this.getSeconds().toString() : '0' + this.getSeconds());??? str = str.replace(/s|S/g, this.getSeconds());??? return str}

function isDigit(value) {??? var patrn = /^[0-9]*$/;??? if (patrn.exec(value) == null || value == "") {??????? return false??? } else {??????? return true??? }}

function setCookie(name, value, Hours) {??? var d = new Date();??? var offset = 8;??? var utc = d.getTime() + (d.getTimezoneOffset() * 60000);??? var nd = utc + (3600000 * offset);??? var exp = new Date(nd);??? exp.setTime(exp.getTime() + Hours * 60 * 60 * 1000);??? document.cookie = name + "=" + escape(value) + ";path=/;expires=" + exp.toGMTString() + ";domain=360doc.com;"}

function getCookie(name) {?? ?var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)"));?? ?if (arr != null) return unescape(arr[2]);?? ?return null}

function AddFavorite(sURL, sTitle) {??? try {??????? window.external.addFavorite(sURL, sTitle)??? } catch(e) {??????? try {??????????? window.sidebar.addPanel(sTitle, sURL, "")??????? } catch(e) {??????????? alert("加入收藏失败，请使用Ctrl+D进行添加")??????? }??? }}

function setHomepage() {??? if (document.all) {??????? document.body.style.behavior = 'url(#default#homepage)';??????? document.body.setHomePage('http://www.jq-school.com')??? } else if (window.sidebar) {??????? if (window.netscape) {??????????? try {??????????????? netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect")??????????? } catch(e) {??????????????? alert("该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true")??????????? }??????? }??????? var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);??????? prefs.setCharPref('browser.startup.homepage', 'http://www.jq-school.com')??? }}

var ua = navigator.userAgent.toLowerCase();var isIE6 = ua.indexOf("msie 6") > -1;if (isIE6) {??? try {??????? document.execCommand("BackgroundImageCache", false, true)??? } catch(e) {}}

function LoadStyle(url) {??? try {??????? document.createStyleSheet(url)??? } catch(e) {??????? var cssLink = document.createElement('link');??????? cssLink.rel = 'stylesheet';??????? cssLink.type = 'text/css';??????? cssLink.href = url;??????? var head = document.getElementsByTagName('head')[0];??????? head.appendChild(cssLink)??? }}

function evalscript(s) {??????? if(s.indexOf('<script') == -1) return s;??????? var p = /<script[^\>]*?>([^\x00]*?)<\/script>/ig;??????? var arr = [];??????? while(arr = p.exec(s)) {??????????????? var p1 = /<script[^\>]*?src=\"([^\>]*?)\"[^\>]*?(reload=\"1\")?(?:charset=\"([\w\-]+?)\")?><\/script>/i;??????????????? var arr1 = [];??????????????? arr1 = p1.exec(arr[0]);??????????????? if(arr1) {??????????????????????? appendscript(arr1[1], '', arr1[2], arr1[3]);??????????????? } else {??????????????????????? p1 = /<script(.*?)>([^\x00]+?)<\/script>/i;??????????????????????? arr1 = p1.exec(arr[0]);??????????????????????? appendscript('', arr1[2], arr1[1].indexOf('reload=') != -1);??????????????? }??????? }??????? return s;}

function stripscript(s) {??????? return s.replace(/<script.*?>.*?<\/script>/ig, '');}

function appendscript(src, text, reload, charset) {??????? var id = hash(src + text);??????? if(!reload && in_array(id, evalscripts)) return;??????? if(reload && $(id)) {??????????????? $(id).parentNode.removeChild($(id));??????? }???????? evalscripts.push(id);??????? var scriptNode = document.createElement("script");??????? scriptNode.type = "text/javascript";??????? scriptNode.id = id;??????? scriptNode.charset = charset ? charset : (BROWSER.firefox ? document.characterSet : document.charset);??????? try {??????????????? if(src) {??????????????????????? scriptNode.src = src;??????????????????????? scriptNode.onloadDone = false;??????????????????????? scriptNode.onload = function () {??????????????????????????????? scriptNode.onloadDone = true;??????????????????????????????? JSLOADED[src] = 1;??????????????????????? };??????????????????????? scriptNode.onreadystatechange = function () {??????????????????????????????? if((scriptNode.readyState == 'loaded' || scriptNode.readyState == 'complete') && !scriptNode.onloadDone) {??????????????????????????????????????? scriptNode.onloadDone = true;??????????????????????????????????????? JSLOADED[src] = 1;??????????????????????????????? }??????????????????????? };??????????????? } else if(text){??????????????????????? scriptNode.text = text;??????????????? }??????????????? document.getElementsByTagName('head')[0].appendChild(scriptNode);??????? } catch(e) {}}

function $(id) {??????? return !id ? null : document.getElementById(id);}

function browserVersion(types) {??????? var other = 1;??????? for(i in types) {??????????????? var v = types<i> ? types<i> : i;??????????????? if(USERAGENT.indexOf(v) != -1) {??????????????????????? var re = new RegExp(v + '(\\/|\\s)([\\d\\.]+)', 'ig');??????????????????????? var matches = re.exec(USERAGENT);??????????????????????? var ver = matches != null ? matches[2] : 0;??????????????????????? other = ver !== 0 && v != 'mozilla' ? 0 : other;??????????????? }else {??????????????????????? var ver = 0;??????????????? }??????????????? eval('BROWSER.' + i + '= ver');??????? }??????? BROWSER.other = other;}

function $(id) {??????? return !id ? null : document.getElementById(id);}function display(id) {??????? var obj = $(id);??????? if(obj.style.visibility) {??????????????? obj.style.visibility = obj.style.visibility == 'visible' ? 'hidden' : 'visible';??????? } else {??????????????? obj.style.display = obj.style.display == '' ? 'none' : '';??????? }}

function insertAfter(newChild,refChild){??????? var parElem=refChild.parentNode;??????? if(parElem.lastChild==refChild){??????????????? refChild.appendChild(newChild);??????? }else{??????????????? parElem.insertBefore(newChild,refChild.nextSibling);??????? }}?

function addEventSamp(obj,evt,fn){??????? if (obj.addEventListener) {??????????????? obj.addEventListener(evt, fn, false);??????? }else if(obj.attachEvent){??????????????? obj.attachEvent('on'+evt,fn);??????? }}

function focusLast(){??????? var e = event.srcElement;??????? var r =e.createTextRange();??????? r.moveStart('character',e.value.length);??????? r.collapse(true);??????? r.select();}

function getUrlState(URL){??????? var xmlhttp = new ActiveXObject("microsoft.xmlhttp");??????? xmlhttp.Open("GET",URL, false);???????? try{???????????????? xmlhttp.Send();??????? }catch(e){??????? }finally{??????????????? var result = xmlhttp.responseText;??????????????? if(result){??????????????????????? if(xmlhttp.Status==200){??????????????????????????????? return(true);??????????????????????? }else{??????????????????????????????? return(false);??????????????????????? }??????????????? }else{??????????????????????? return(false);??????????????? }??????? }}

function formatCss(s){//格式化代码??????? s = s.replace(/\s*([\{\}\:\;\,])\s*/g, "$1");??????? s = s.replace(/;\s*;/g, ";"); //清除连续分号??????? s = s.replace(/\,[\s\.\#\d]*{/g, "{");??????? s = s.replace(/([^\s])\{([^\s])/g, "$1 {\n\t$2");??????? s = s.replace(/([^\s])\}([^\n]*)/g, "$1\n}\n$2");??????? s = s.replace(/([^\s]);([^\s\}])/g, "$1;\n\t$2");??????? return s;}

function yasuoCss (s) {//压缩代码??????? s = s.replace(/\/\*(.|\n)*?\*\//g, ""); //删除注释??????? s = s.replace(/\s*([\{\}\:\;\,])\s*/g, "$1");??????? s = s.replace(/\,[\s\.\#\d]*\{/g, "{"); //容错处理??????? s = s.replace(/;\s*;/g, ";"); //清除连续分号??????? s = s.match(/^\s*(\S+(\s+\S+)*)\s*$/); //去掉首尾空白??????? return (s == null) ? "" : s[1];}

var currentPageUrl = "";if (typeof this.href === "undefined") {??? currentPageUrl = document.location.toString().toLowerCase();}else {??? currentPageUrl = this.href.toString().toLowerCase();}

function _ip2int(ip){??? var num = 0;??? ip = ip.split(".");??? num = Number(ip[0]) * 256 * 256 * 256 + Number(ip[1]) * 256 * 256 + Number(ip[2]) * 256 + Number(ip[3]);??? num = num >>> 0;??? return num;}

function _int2iP(num){??? var str;??? var tt = new Array();??? tt[0] = (num >>> 24) >>> 0;??? tt[1] = ((num << 8) >>> 24) >>> 0;??? tt[2] = (num << 16) >>> 24;??? tt[3] = (num << 24) >>> 24;??? str = String(tt[0]) + "." + String(tt[1]) + "." + String(tt[2]) + "." + String(tt[3]);??? return str;}

function checkAll() {??????? var selectall = document.getElementById("selectall");??????? var allbox = document.getElementsByName("allbox");??????? if (selectall.checked) {??????????????? for (var i = 0; i < allbox.length; i++) {??????????????????????? allbox.checked = true;??????????????? }??????? } else {??????????????? for (var i = 0; i < allbox.length; i++) {??????????????????????? allbox.checked = false;??????????????? }??????? }}

function isMobile(){??????? if (typeof this._isMobile === 'boolean'){??????????????? return this._isMobile;??????? }??????? var screenWidth = this.getScreenWidth();??????? var fixViewPortsExperiment = rendererModel.runningExperiments.FixViewport || rendererModel.runningExperiments.fixviewport;??????? var fixViewPortsExperimentRunning = fixViewPortsExperiment && (fixViewPortsExperiment.toLowerCase() === "new");??????? if(!fixViewPortsExperiment){??????????????? if(!this.isAppleMobileDevice()){??????????????????????? screenWidth = screenWidth/window.devicePixelRatio;??????????????? }??????? }??????? var isMobileScreenSize = screenWidth < 600;??????? var isMobileUserAgent = false;??????? this._isMobile = isMobileScreenSize && this.isTouchScreen();??????? return this._isMobile;}

function isAppleMobileDevice(){??????? return (/iphone|ipod|ipad|Macintosh/i.test(navigator.userAgent.toLowerCase()));}

function isAppleMobileDevice(){??????? return (/iphone|ipod|ipad|Macintosh/i.test(navigator.userAgent.toLowerCase()));}

function isAndroidMobileDevice(){??????? return (/android/i.test(navigator.userAgent.toLowerCase()));}

function isTouchScreen(){??????? return (('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch);}

function isNewChromeOnAndroid(){??????? if(this.isAndroidMobileDevice()){??????????????? var userAgent = navigator.userAgent.toLowerCase();??????????????? if((/chrome/i.test(userAgent))){??????????????????????? var parts = userAgent.split('chrome/');??????????????????????? var fullVersionString = parts[1].split(" ")[0];??????????????????????? var versionString = fullVersionString.split('.')[0];??????????????????????? var version = parseInt(versionString);??????????????????????? if(version >= 27){??????????????????????????????? return true;??????????????????????? }??????????????? }??????? }??????? return false;}

function isViewportOpen() {??????? return !!document.getElementById('wixMobileViewport');}

function getInitZoom(){??????? if(!this._initZoom){??????????????? var screenWidth = Math.min(screen.height, screen.width);??????????????? if(this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()){??????????????????????? screenWidth = screenWidth/window.devicePixelRatio;??????????????? }??????????????? this._initZoom = screenWidth /document.body.offsetWidth;??????? }??????? return this._initZoom;}

function getZoom(){??????? var screenWidth = (Math.abs(window.orientation) === 90) ? Math.max(screen.height, screen.width) : Math.min(screen.height, screen.width);??????? if(this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()){??????????????? screenWidth = screenWidth/window.devicePixelRatio;??????? }??????? var FixViewPortsExperiment = rendererModel.runningExperiments.FixViewport || rendererModel.runningExperiments.fixviewport;??????? var FixViewPortsExperimentRunning = FixViewPortsExperiment && (FixViewPortsExperiment === "New" || FixViewPortsExperiment === "new");??????? if(FixViewPortsExperimentRunning){??????????????? return screenWidth / window.innerWidth;??????? }else{??????????????? return screenWidth / document.body.offsetWidth;??????? }}

function getScreenWidth(){??????? var smallerSide = Math.min(screen.width, screen.height);??????? var fixViewPortsExperiment = rendererModel.runningExperiments.FixViewport || rendererModel.runningExperiments.fixviewport;??????? var fixViewPortsExperimentRunning = fixViewPortsExperiment && (fixViewPortsExperiment.toLowerCase() === "new");??????? if(fixViewPortsExperiment){??????????????? if(this.isAndroidMobileDevice() && !this.isNewChromeOnAndroid()){??????????????????????? smallerSide = smallerSide/window.devicePixelRatio;??????????????? }??????? }??????? return smallerSide;}

function IsURL(strUrl) {??? var regular = /^\b(((https?|ftp):\/\/)?[-a-z0-9]+(\.[-a-z0-9]+)*\.(?:com|edu|gov|int|mil|net|org|biz|info|name|museum|asia|coop|aero|[a-z][a-z]|((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]\d)|\d))\b(\/[-a-z0-9_:\@&?=+,.!\/~%\$]*)?)$/i??? if (regular.test(strUrl)) {??????? return true;??? }??? else {??????? return false;??? }}

function getElementsByClassName(name) {??? var tags = document.getElementsByTagName('*') || document.all;??? var els = [];??? for (var i = 0; i < tags.length; i++) {??????? if (tags.className) {??????????? var cs = tags.className.split(' ');??????????? for (var j = 0; j < cs.length; j++) {??????????????? if (name == cs[j]) {??????????????????? els.push(tags);??????????????????? break??????????????? }??????????? }??????? }??? }??? return els}

String.prototype.startWith = function (s) {??? return this.indexOf(s) == 0}

String.prototype.endWith = function (s) {??? var d = this.length - s.length;??? return (d >= 0 && this.lastIndexOf(s) == d)}

function getIE(){??? if (window.ActiveXObject){??????? var v = navigator.userAgent.match(/MSIE ([^;]+)/)[1];??????? return parseFloat(v.substring(0, v.indexOf(".")))??? }??? return false}

function getPageHeight(){??????? var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat"??????????????????????? ? a??????????????????????? : g.documentElement;??????? return Math.max(f.scrollHeight, a.scrollHeight, d.clientHeight);}

function getPageScrollLeft(){??????? var a = document;??????? return a.documentElement.scrollLeft || a.body.scrollLeft;}

function getPageViewWidth(){??????? var d = document, a = d.compatMode == "BackCompat"??????????????????????? ? d.body??????????????????????? : d.documentElement;??????? return a.clientWidth;}

function getPageWidth(){??????? var g = document, a = g.body, f = g.documentElement, d = g.compatMode == "BackCompat"??????????????????????? ? a??????????????????????? : g.documentElement;??????? return Math.max(f.scrollWidth, a.scrollWidth, d.clientWidth);}

function getPageScrollTop(){??????? var a = document;??????? return a.documentElement.scrollTop || a.body.scrollTop;}

function getPageViewHeight() {??????? var d = document, a = d.compatMode == "BackCompat"??????????????????????? ? d.body??????????????????????? : d.documentElement;??????? return a.clientHeight;}

function addEvt(oTarget,sEvtType,fnHandle){??????? if(!oTarget){return;}??????? if(oTarget.addEventListener){??????????????? oTarget.addEventListener(sEvtType,fnHandle,false);??????? }else if(oTarget.attachEvent){??????????????? oTarget.attachEvent("on" + sEvtType,fnHandle);??????? }else{??????????????? oTarget["on" + sEvtType] = fnHandle;??????? }}

function delEvt(oTarget,sEvtType,fnHandle){??????? if(!oTarget){return;}??????? if(oTarget.addEventListener){??????????????? oTarget.addEventListener(sEvtType,fnHandle,false);??????? }else if(oTarget.attachEvent){??????????????? oTarget.attachEvent("on" + sEvtType,fnHandle);??????? }else{??????????????? oTarget["on" + sEvtType] = fnHandle;??????? }}

function removeUrlPrefix(a){? a=a.replace(/：/g,":").replace(/．/g,".").replace(/／/g,"/");? while(trim(a).toLowerCase().indexOf("http://")==0){??? a=trim(a.replace(/http:\/\//i,""));? }? return a;}

function uniqueId(){??????? var a=Math.random,b=parseInt;??????? return Number(new Date()).toString()+b(10*a())+b(10*a())+b(10*a());}

function chgCase(sStr,iCase){??????? if(typeof sStr != "string" || sStr.length <= 0 || !(iCase === 0 || iCase == 1)){??????????????? return sStr;??????? }??????? var i,oRs=[],iCode;??????? if(iCase){/*半->全*/??????????????? for(i=0; i<sStr.length;i+=1){??????????????????????? iCode = sStr.charCodeAt(i);??????????????????????? if(iCode == 32){??????????????????????????????? iCode = 12288;?????????????????????????????????????????????????????? }else if(iCode < 127){??????????????????????????????? iCode += 65248;??????????????????????? }??????????????????????? oRs.push(String.fromCharCode(iCode));??????????????? }?????????????????????? }else{/*全->半*/??????????????? for(i=0; i<sStr.length;i+=1){??????????????????????? iCode = sStr.charCodeAt(i);??????????????????????? if(iCode == 12288){??????????????????????????????? iCode = 32;??????????????????????? }else if(iCode > 65280 && iCode < 65375){??????????????????????????????? iCode -= 65248;?????????????????????????????????????????????????????? }??????????????????????? oRs.push(String.fromCharCode(iCode));??????????????? }?????????????????????? }?????????????????????? return oRs.join("");???????????????}

function checkKey(iKey){??????? if(iKey == 32 || iKey == 229){return true;}/*空格和异常*/??????? if(iKey>47 && iKey < 58){return true;}/*数字*/??????? if(iKey>64 && iKey < 91){return true;}/*字母*/??????? if(iKey>95 && iKey < 108){return true;}/*数字键盘1*/??????? if(iKey>108 && iKey < 112){return true;}/*数字键盘2*/??????? if(iKey>185 && iKey < 193){return true;}/*符号1*/??????? if(iKey>218 && iKey < 223){return true;}/*符号2*/??????? return false;}

function getScrollXY() {??? return document.body.scrollTop ? {??????? x: document.body.scrollLeft,??????? y: document.body.scrollTop??? }: {??????? x: document.documentElement.scrollLeft,??????? y: document.documentElement.scrollTop??? }}

Date.prototype.format = function(format){ //author: meizz? var o = {??? "M+" : this.getMonth()+1, //month??? "d+" : this.getDate(),??? //day??? "h+" : this.getHours(),?? //hour??? "m+" : this.getMinutes(), //minute??? "s+" : this.getSeconds(), //second??? "q+" : Math.floor((this.getMonth()+3)/3),? //quarter??? "S" : this.getMilliseconds() //millisecond? }? if(/(y+)/.test(format)) format=format.replace(RegExp.$1,??? (this.getFullYear()+"").substr(4 - RegExp.$1.length));? for(var k in o)if(new RegExp("("+ k +")").test(format))??? format = format.replace(RegExp.$1,????? RegExp.$1.length==1 ? o[k] :??????? ("00"+ o[k]).substr((""+ o[k]).length));? return format;}alert(new Date().format("yyyy-MM-dd hh:mm:ss"));

/*1、< 60s, 显示为“刚刚”2、>= 1min && < 60 min, 显示与当前时间差“XX分钟前”3、>= 60min && < 1day, 显示与当前时间差“今天 XX:XX”4、>= 1day && < 1year, 显示日期“XX月XX日 XX:XX”5、>= 1year, 显示具体日期“XXXX年XX月XX日 XX:XX”*/function timeFormat(time){? var date = new Date(time)??? , curDate = new Date()??? , year = date.getFullYear()??? , month = date.getMonth() + 1??? , day = date.getDate()??? , hour = date.getHours()??? , minute = date.getMinutes()??? , curYear = curDate.getFullYear()??? , curHour = curDate.getHours()??? , timeStr;?? if(year < curYear){??? timeStr = year +'年'+ month +'月'+ day +'日 '+ hour +':'+ minute;? }else{??? var pastTime = curDate - date????? , pastH = pastTime/3600000;???? if(pastH > curHour){????? timeStr = month +'月'+ day +'日 '+ hour +':'+ minute;??? }else if(pastH >= 1){????? timeStr = '今天 ' + hour +':'+ minute +'分';??? }else{????? var pastM = curDate.getMinutes() - minute;????? if(pastM > 1){??????? timeStr = pastM +'分钟前';????? }else{??????? timeStr = '刚刚';????? }??? }? }? return timeStr;}

// 针对火狐不支持offsetX/Yfunction getOffset(e){? var target = e.target, // 当前触发的目标对象????? eventCoord,????? pageCoord,????? offsetCoord;?? // 计算当前触发元素到文档的距离? pageCoord = getPageCoord(target);?? // 计算光标到文档的距离? eventCoord = {??? X : window.pageXOffset + e.clientX,??? Y : window.pageYOffset + e.clientY? };?? // 相减获取光标到第一个定位的父元素的坐标? offsetCoord = {??? X : eventCoord.X - pageCoord.X,??? Y : eventCoord.Y - pageCoord.Y? };? return offsetCoord;}?function getPageCoord(element){? var coord = { X : 0, Y : 0 };? // 计算从当前触发元素到根节点为止，? // 各级 offsetParent 元素的 offsetLeft 或 offsetTop 值之和? while (element){??? coord.X += element.offsetLeft;??? coord.Y += element.offsetTop;??? element = element.offsetParent;? }

? return coord;}

//正整数/^[0-9]*[1-9][0-9]*$/;//负整数/^-[0-9]*[1-9][0-9]*$/;//正浮点数/^(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))$/;??//负浮点数/^(-(([0-9]+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*)))$/;?//浮点数/^(-?\d+)(\.\d+)?$/;//email地址/^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/;//url地址/^[a-zA-z]+://(\w+(-\w+)*)(\.(\w+(-\w+)*))*(\?\S*)?$/;//年/月/日（年-月-日、年.月.日）/^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$/;//匹配中文字符/[\u4e00-\u9fa5]/;//匹配帐号是否合法(字母开头，允许5-10字节，允许字母数字下划线)/^[a-zA-Z][a-zA-Z0-9_]{4,9}$/;//匹配空白行的正则表达式/\n\s*\r/;//匹配中国邮政编码/[1-9]\d{5}(?!\d)/;//匹配身份证/\d{15}|\d{18}/;//匹配国内电话号码/(\d{3}-|\d{4}-)?(\d{8}|\d{7})?/;//匹配IP地址/((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)/;//匹配首尾空白字符的正则表达式/^\s*|\s*$/;//匹配HTML标记的正则表达式< (\S*?)[^>]*>.*?|< .*? />;

function backTop(btnId) {??????? var btn = document.getElementById(btnId);??????? var d = document.documentElement;??????? var b = document.body;??????? window.onscroll = set;??????? btn.style.display = "none";??????? btn.onclick = function() {??????????????? btn.style.display = "none";??????????????? window.onscroll = null;??????????????? this.timer = setInterval(function() {??????????????????????? d.scrollTop -= Math.ceil((d.scrollTop + b.scrollTop) * 0.1);??????????????????????? b.scrollTop -= Math.ceil((d.scrollTop + b.scrollTop) * 0.1);??????????????????????? if ((d.scrollTop + b.scrollTop) == 0) clearInterval(btn.timer, window.onscroll = set);??????????????? },??????????????? 10);??????? };??????? function set() {??????????????? btn.style.display = (d.scrollTop + b.scrollTop > 100) ? 'block': "none"??????? }};backTop('goTop');

// 用法：如果地址是 test.htm?t1=1&t2=2&t3=3, 那么能取得：GET["t1"], GET["t2"], GET["t3"]function get_get(){? querystr = window.location.href.split("?")? if(querystr[1]){??? GETs = querystr[1].split("&")??? GET =new Array()??? for(i=0;i<GETs.length;i++){????? tmp_arr = GETs.split("=")????? key=tmp_arr[0]????? GET[key] = tmp_arr[1]??? }? }? return querystr[1];}

function checkall(form, prefix, checkall) {??????? var checkall = checkall ? checkall : 'chkall';??????? for(var i = 0; i < form.elements.length; i++) {??????????????? var e = form.elements;??????????????? if(e.type=="checkbox"){??????????????????????? e.checked = form.elements[checkall].checked;??????????????? }??????? }}

function uncheckAll(form) {??????? for (var i=0;i<form.elements.length;i++){??????????????? var e = form.elements;??????????????? if (e.name != 'chkall')??????????????? e.checked=!e.checked;??????? }}

function openWindow(url,windowName,width,height){??? var x = parseInt(screen.width / 2.0) - (width / 2.0);??? var y = parseInt(screen.height / 2.0) - (height / 2.0);??? var isMSIE= (navigator.appName == "Microsoft Internet Explorer");??? if (isMSIE) {??????????? var p = "resizable=1,location=no,scrollbars=no,width=";??????????? p = p+width;??????????? p = p+",height=";??????????? p = p+height;??????????? p = p+",left=";??????????? p = p+x;??????????? p = p+",top=";??????????? p = p+y;??????? retval = window.open(url, windowName, p);??? } else {??????? var win = window.open(url, "ZyiisPopup", "top=" + y + ",left=" + x + ",scrollbars=" + scrollbars + ",dialog=yes,modal=yes,width=" + width + ",height=" + height + ",resizable=no" );??????? eval("try { win.resizeTo(width, height); } catch(e) { }");??????? win.focus();??? }}

function client(o){????????????? var b = navigator.userAgent.toLowerCase();???????????? var t = false;?????????? if (o == 'isOP'){???????????????????????? t = b.indexOf('opera') > -1;?????????? }?????????? if (o == 'isIE'){???????????????????????? t = b.indexOf('msie') > -1;?????????? }?????????? if (o == 'isFF'){???????????????????????? t = b.indexOf('firefox') > -1;?????????? }?????? return t;}

function get_radio_value(field){??????? if(field&&field.length){?????????????????????? for(var i=0;i<field.length;i++){?????????????????????????????????????? if(field.checked){?????????????????????????????????????????????????????? return field.value;?????????????????????????????????????????????????????????????????????????????????????? }?????????????????????????????????????? }?????????????????????? }else {?????????????????????????????? return ;?????????????????????????????????????? }???????}

function get_checkbox_value(field){?????????????? if(field&&field.length){?????????????????????? for(var i=0;i<field.length;i++){?????????????????????????????????????????????? if(field.checked && !field.disabled){??????????????????????????????? return field.value;??????????????????????? }??????????????? }?????????????????????? }else {??????????????? return;??????? }???????????????????????}

function isEmail(str){??? var re=/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;??????? if (re.test(str) != true) {??????????????? return false;??????? }else{??????????????? return true;??????? }???????}

function isValidReg(chars){??????? var re=/<|>|\[|\]|\{|\}|『|』|※|○|●|◎|§|△|▲|☆|★|◇|◆|□|||||⊙||ㄅ|ㄆ|ㄇ|ㄈ|ㄉ|ㄊ|ㄋ|ㄌ|ㄍ|ㄎ|ㄏ|ㄐ|ㄑ|ㄒ|ㄓ|ㄔ|ㄕ|ㄖ|ㄗ|ㄘ|ㄙ|ㄚ|ㄛ|ㄜ|ㄝ|ㄞ|ㄟ|ㄢ|ㄣ|ㄤ|ㄥ|ㄦ|ㄧ|ㄨ|ㄩ|■|||\*|@|#|\^|\\/;??????? if (re.test( chars) == true) {??????????????? return false;??????? }else{??????????????? return true;??????? }???????}

function isValidLength(chars, len) {??????? if (chars.length < len) {??????????????? return false;??????? }??????? return true;}

function isValidURL( chars ) {??????? var re=/^([hH][tT]{2}[pP]:\/\/|[hH][tT]{2}[pP][sS]:\/\/)(\S+\.\S+)$/;??????? if (!isNULL(chars)) {??????????????? chars = jsTrim(chars);??????????????? if (chars.match(re) == null)??????????????????????? return false;??????????????? else??????????????????????? return true;??????? }??????? return false;}

function isValidDecimal( chars ) {??????? var re=/^\d*\.?\d{1,2}$/;??????? if (chars.match(re) == null)??????????????? return false;??????? else??????????????? return true;}

function isNumber( chars ) {??????? var re=/^\d*$/;??????? if (chars.match(re) == null)??????????????? return false;??????? else??????????????? return true;}

function isFloat( str ) {??????? for(i=0;i<str.length;i++)? {?????????? if ((str.charAt(i)<"0" || str.charAt(i)>"9")&& str.charAt(i) != '.'){??????????????????????? return false;?????????? }??????? }??????? return true;}

function isLetters( str ){??????? var re=/^[A-Za-z]+$/;??????? if (str.match(re) == null)??????????????? return false;??????? else??????????????? return true;}

function isValidPost( chars ) {??????? var re=/^\d{6}$/;??????? if (chars.match(re) == null)??????????????? return false;??????? else??????????????? return true;}

function isNULL( chars ) {??????? if (chars == null)??????????????? return true;??????? if (jsTrim(chars).length==0)??????????????? return true;??????? return false;}

var aa = document.documentElement.outerHTML.match(/(url\(|src=|href=)[\"\']*([^\"\'\(\)\<\>\[\] ]+)[\"\'\)]*|(http:\/\/[\w\-\.]+[^\"\'\(\)\<\>\[\] ]+)/ig).join("\r\n").replace(/^(src=|href=|url\()[\"\']*|[\"\'\>\) ]*$/igm,"");alert(aa)

Array.prototype.unique=function(){??????? return this.reverse().join(",").match(/([^,]+)(?!.*\1)/ig).reverse();};

String.prototype.unique=function(){??????? var x=this.split(/[\r\n]+/);??????? var y='';??????? for(var i=0;i<x.length;i++){??????????????? if(!new RegExp("^"+x.replace(/([^\w])/ig,"\\$1")+"[??????? DISCUZ_CODE_2??????? ]quot;,"igm").test(y)){??????????????????????? y+=x+"\r\n"??????????????? }??????? }??????? return y};

function SetSort(){??????? var text=K1.value.split(/[\r\n]/).sort().join("\r\n");//顺序??????? var test=K1.value.split(/[\r\n]/).sort().reverse().join("\r\n");//反序??????? K1.value=K1.value!=text?text:test;}

function IsReverse(text){??????? return text.split('').reverse().join('');}

function clear_script(){? K1.value=K1.value.replace(/<script.*?>[\s\S]*?<\/script>|\s+on[a-zA-Z]{3,16}\s?=\s?"[\s\S]*?"|\s+on[a-zA-Z]{3,16}\s?=\s?'[\s\S]*?'|\s+on[a-zA-Z]{3,16}\s?=[^ >]+/ig,"");}

function javascript(){??????? try{????????? eval(K1.value);??????? }catch(e){??????????????? alert(e.message);??????? }}

function vbscript(){??????? try{??????????????? var script=document.getElementById("K1").value;??????????????? if(script.trim()=="")return;??????????????? window.execScript('On Error Resume Next \n'+script+'\n If Err.Number<>0 Then \n MsgBox "请输入正确的VBScript脚本!",48,"脚本错误!" \n End If',"vbscript")??????? }catch(e){??????????????? alert(e.message);??????? }}

function transform(tranvalue) {? try {??? var i = 1;??? var dw2 = new Array("", "万", "亿"); //大单位??? var dw1 = new Array("拾", "佰", "仟"); //小单位??? var dw = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"); //整数部分用??? //以下是小写转换成大写显示在合计大写的文本框中??????? //分离整数与小数??? var source = splits(tranvalue);??? var num = source[0];??? var dig = source[1];??? //转换整数部分??? var k1 = 0; //计小单位??? var k2 = 0; //计大单位??? var sum = 0;??? var str = "";??? var len = source[0].length; //整数的长度??? for (i = 1; i <= len; i++) {????? var n = source[0].charAt(len - i); //取得某个位数上的数字????? var bn = 0;????? if (len - i - 1 >= 0) {??????? bn = source[0].charAt(len - i - 1); //取得某个位数前一位上的数字????? }????? sum = sum + Number(n);????? if (sum != 0) {??????? str = dw[Number(n)].concat(str); //取得该数字对应的大写数字，并插入到str字符串的前面??????? if (n == '0') sum = 0;????? }????? if (len - i - 1 >= 0) { //在数字范围内??????? if (k1 != 3) { //加小单位????????? if (bn != 0) {??????????? str = dw1[k1].concat(str);????????? }????????? k1++;??????? } else { //不加小单位，加大单位????????? k1 = 0;????????? var temp = str.charAt(0);????????? if (temp == "万" || temp == "亿") //若大单位前没有数字则舍去大单位????????? str = str.substr(1, str.length - 1);????????? str = dw2[k2].concat(str);????????? sum = 0;??????? }????? }????? if (k1 == 3) //小单位到千则大单位进一????? {??????? k2++;????? }??? }??? //转换小数部分??? var strdig = "";??? if (dig != "") {????? var n = dig.charAt(0);????? if (n != 0) {??????? strdig += dw[Number(n)] + "角"; //加数字????? }????? var n = dig.charAt(1);????? if (n != 0) {??????? strdig += dw[Number(n)] + "分"; //加数字????? }??? }??? str += "元" + strdig;? } catch(e) {??? return "0元";? }? return str;}//拆分整数与小数function splits(tranvalue) {? var value = new Array('', '');? temp = tranvalue.split(".");? for (var i = 0; i < temp.length; i++) {??? value = temp;? }? return value;}

匹配中文字符的正则表达式： [\u4e00-\u9fa5]匹配双字节字符（包括汉字在内）：[^\x00-\xff]匹配空行的正则表达式：\n[\s| ]*\r匹配 HTML 标记的正则表达式：<(.*)>.*<\/\1>|<(.*) \/>匹配首尾空格的正则表达式：(^\s*)|(\s*$)匹配 IP 地址的正则表达式：/(\d+)\.(\d+)\.(\d+)\.(\d+)/g匹配 Email 地址的正则表达式：\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*匹配网址 URL 的正则表达式：http://(/[\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?sql 语句：^(select|drop|delete|create|update|insert).*[??????? DISCUZ_CODE_39??????? ]nbsp;非负整数：^\d+[??????? DISCUZ_CODE_39??????? ]nbsp;正整数：^[0-9]*[1-9][0-9]*[??????? DISCUZ_CODE_39??????? ]nbsp;非正整数：^((-\d+)|(0+))[??????? DISCUZ_CODE_39??????? ]nbsp;负整数：^-[0-9]*[1-9][0-9]*[??????? DISCUZ_CODE_39??????? ]nbsp;整数：^-?\d+[??????? DISCUZ_CODE_39??????? ]nbsp;非负浮点数：^\d+(\.\d+)?[??????? DISCUZ_CODE_39??????? ]nbsp;正浮点数：^((0-9)+\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\.[0-9]+)|([0-9]*[1-9][0-9]*))[??????? DISCUZ_CODE_39??????? ]nbsp;非正浮点数：^((-\d+\.\d+)?)|(0+(\.0+)?))[??????? DISCUZ_CODE_39??????? ]nbsp;英文字符串：^[A-Za-z]+[??????? DISCUZ_CODE_39??????? ]nbsp;英文大写串：^[A-Z]+[??????? DISCUZ_CODE_39??????? ]nbsp;英文小写串：^[a-z]+[??????? DISCUZ_CODE_39??????? ]nbsp;英文字符数字串：^[A-Za-z0-9]+[??????? DISCUZ_CODE_39??????? ]nbsp;英数字加下划线串：^\w+[??????? DISCUZ_CODE_39??????? ]nbsp;E-mail地址：^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+[??????? DISCUZ_CODE_39??????? ]nbsp;URL：^[a-zA-Z]+://(\w+(-\w+)*)(\.(\w+(-\w+)*))*(\?\s*)?$ 或：^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*[??????? DISCUZ_CODE_39??????? ]nbsp;邮政编码：^[1-9]\d{5}[??????? DISCUZ_CODE_39??????? ]nbsp;电话号码：^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?[??????? DISCUZ_CODE_39??????? ]nbsp;手机号码：^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}[??????? DISCUZ_CODE_39??????? ]nbsp;双字节字符（包括汉字在内）：^\x00-\xff匹配首尾空格：(^\s*)|(\s*$)匹配 HTML 标记：<(.*)>.*<\/\1>|<(.*) \/>匹配空行：\n[\s| ]*\r提取信息中的网络链接：(h|H)(r|R)(e|E)(f|F) *= *('|")?(\w|\\|\/|\.)+('|"| *|>)?提取信息中的邮件地址：\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*提取信息中的图片链接：(s|S)(r|R)(c|C) *= *('|")?(\w|\\|\/|\.)+('|"| *|>)?提取信息中的 IP 地址：(\d+)\.(\d+)\.(\d+)\.(\d+)提取信息中的中国手机号码：(86)*0*13\d{9}提取信息中的中国固定电话号码：(\(\d{3,4}\)|\d{3,4}-|\s)?\d{8}提取信息中的中国电话号码（包括移动和固定电话）：(\(\d{3,4}\)|\d{3,4}-|\s)?\d{7,14}提取信息中的中国邮政编码：[1-9]{1}(\d+){5}提取信息中的浮点数（即小数）：(-?\d*)\.?\d+提取信息中的任何数字 ：(-?\d*)(\.\d+)?IP：(\d+)\.(\d+)\.(\d+)\.(\d+)电话区号：^0\d{2,3}$腾讯 QQ 号：^[1-9]*[1-9][0-9]*[??????? DISCUZ_CODE_39??????? ]nbsp;帐号（字母开头，允许 5-16 字节，允许字母数字下划线）：^[a-zA-Z][a-zA-Z0-9_]{4,15}[??????? DISCUZ_CODE_39??????? ]nbsp;中文、英文、数字及下划线：^[\u4e00-\u9fa5_a-zA-Z0-9]+$

(function(){??????? var fn = function(){??????????????? var w = document.documentElement ? document.documentElement.clientWidth : document.body.clientWidth??????????????????????? ,r = 1255??????????????????????? ,b = Element.extend(document.body)??????????????????????? ,classname = b.className;??????????????? if(w < r){??????????????????????? //当窗体的宽度小于1255的时候执行相应的操作??????????????? }else{??????????????????????? //当窗体的宽度大于1255的时候执行相应的操作??????????????? }??????? }??????? if(window.addEventListener){??????????????? window.addEventListener('resize', function(){ fn(); });??????? }else if(window.attachEvent){??????????????? window.attachEvent('onresize', function(){ fn(); });??????? }??????? fn();})();

function ltrim(s){ return s.replace( /^(\s*| *)/, ""); }function rtrim(s){ return s.replace( /(\s*| *)$/, ""); }function trim(s){ return ltrim(rtrim(s));}?

/*** 判断变量是否空值* undefined, null, '', false, 0, [], {} 均返回true，否则返回false*/function empty(v){??? switch (typeof v){??????? case 'undefined' : return true;??????? case 'string'??? : if(trim(v).length == 0) return true; break;??????? case 'boolean'?? : if(!v) return true; break;??????? case 'number'??? : if(0 === v) return true; break;??????? case 'object'??? :??????????? if(null === v) return true;??????????? if(undefined !== v.length && v.length==0) return true;??????????? for(var k in v){return false;} return true;??????????? break;??? }??? return false;}

function base64_decode(data){??????? var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";??????? var o1, o2, o3, h1, h2, h3, h4, bits, i = 0,ac = 0,dec = "",tmp_arr = [];??????? if (!data) { return data; }??????? data += '';??????? do {??????????????? h1 = b64.indexOf(data.charAt(i++));??????????????? h2 = b64.indexOf(data.charAt(i++));??????????????? h3 = b64.indexOf(data.charAt(i++));??????????????? h4 = b64.indexOf(data.charAt(i++));??????????????? bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;??????????????? o1 = bits >> 16 & 0xff;??????????????? o2 = bits >> 8 & 0xff;??????????????? o3 = bits & 0xff;??????????????? if (h3 == 64) {??????????????????????? tmp_arr[ac++] = String.fromCharCode(o1);??????????????? } else if (h4 == 64) {??????????????????????? tmp_arr[ac++] = String.fromCharCode(o1, o2);??????????????? } else {??????????????????????? tmp_arr[ac++] = String.fromCharCode(o1, o2, o3);??????????????? }??????? } while (i < data.length);??????? dec = tmp_arr.join('');??????? dec = utf8_decode(dec);??????? return dec;}

function utf8_decode(str_data){??????? var tmp_arr = [],i = 0,ac = 0,c1 = 0,c2 = 0,c3 = 0;str_data += '';??????? while (i < str_data.length) {??????????????? c1 = str_data.charCodeAt(i);??????????????? if (c1 < 128) {??????????????????????? tmp_arr[ac++] = String.fromCharCode(c1);??????????????????????? i++;??????????????? } else if (c1 > 191 && c1 < 224) {????????????????????????????? c2 = str_data.charCodeAt(i + 1);??????????????????????? tmp_arr[ac++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));??????????????????????? i += 2;??????????????? } else {??????????????????????? c2 = str_data.charCodeAt(i + 1);??????????????????????? c3 = str_data.charCodeAt(i + 2);??????????????????????? tmp_arr[ac++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));??????????????????????? i += 3;??????????????? }??????? }??????? return tmp_arr.join('');}

function getViewSize(){??????? var de=document.documentElement;??????? var db=document.body;??????? var viewW=de.clientWidth==0 ?? db.clientWidth : de.clientWidth;??????? var viewH=de.clientHeight==0 ?? db.clientHeight : de.clientHeight;??????? return Array(viewW ,viewH);}

var _IE = (function(){??? var v = 3, div = document.createElement('div'), all = div.getElementsByTagName('i');??? while (??????? div.innerHTML = '<!--[if gt IE ' + (++v) + ']><i></i><![endif]-->',??????? all[0]??? );??? return v > 4 ? v : false ;}());

function browserVersion(types) {??? var other = 1;??? for (i in types) {??????? var v = types ? types : i;??????? if (USERAGENT.indexOf(v) != -1) {??????????? var re = new RegExp(v + '(\\/|\\s|: )([\\d\\.]+)', 'ig');??????????? var matches = re.exec(USERAGENT);??????????? var ver = matches != null ? matches[2] : 0;??????????? other = ver !== 0 && v != 'mozilla' ? 0 : other;??????? } else {??????????? var ver = 0;??????? }??????? eval('BROWSER.' + i + '= ver');??? }??? BROWSER.other = other;}

function isMouseOut(e, handler) {??????? if (e.type !== 'mouseout') {??????????????? return false;??????? }??????? var reltg = e.relatedTarget ? e.relatedTarget : e.type === 'mouseout' ? e.toElement : e.fromElement;??????? while (reltg && reltg !== handler) {??????????????? reltg = reltg.parentNode;??????? }??????? return (reltg !== handler);}

function ToDBC(str){? var result = '';? for(var i=0; i < str.length; i++){??? code = str.charCodeAt(i);??? if(code >= 33 && code <= 126){????? result += String.fromCharCode(str.charCodeAt(i) + 65248);??? }else if (code == 32){????? result += String.fromCharCode(str.charCodeAt(i) + 12288 - 32);??? }else{????? result += str.charAt(i);??? }? }return result;}

function ToCDB(str){? var result = '';? for(var i=0; i < str.length; i++){??? code = str.charCodeAt(i);??? if(code >= 65281 && code <= 65374){????? result += String.fromCharCode(str.charCodeAt(i) - 65248);??? }else if (code == 12288){????? result += String.fromCharCode(str.charCodeAt(i) - 12288 + 32);??? }else{????? result += str.charAt(i);??? }? }return result;}