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$().find("option:selected").val();
document.getElementByid("<%=ddr.clientid%>").options[1].selected=true;
javascript中没有trim;
String.prototype.trim = function(){
return this.replace(/(^\s*)|(\s*$)/g,"");
}
setTimeout();
setInterval();
system.string;
system.Test.StringBuilder;
substr();
substring();
$("#id option:selected").text();
$().find("option[text=‘"]+selecttext+"‘]").attr();
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原文地址:http://www.cnblogs.com/futengsheng/p/4883003.html