js里面 0 =='' 0 == false
js里面 ? 0 =='' ? 0 == false
?
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body><script type="text/javascript">alert(0 == '');alert(0 == false);</script></body></html>
jquery ie6 submit不能提交$('#submitA').onclick = function(){setTimeout(function(){$('formId').submit();},0);}