去掉JS数组中重复的元素

<SCRIPT LANGUAGE="JavaScript"><!--//（2）将所有相同的option内容去掉function test(){var array=["1","2","2","3","cc","cc"];var data={};var desiredArr=new Array();  for(var i=0;i<array.length;i++){  data[array[i]]=array[i];  } for(var pro in data){   desiredArr.push(data[pro]);} for(var tt in desiredArr){alert(desiredArr[tt]);}}test();//--></SCRIPT>

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