<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head>
<title></title>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(function () {
var num = 0;
var timeFunName = null;
$("button").bind("click", function () {
// 取消上次延时未执行的方法
clearTimeout(timeFunName);
// 延时300毫秒执行单击
timeFunName = setTimeout(function () {
num++;
$("textarea").val($("textarea").val() + "第" + num + "次事件，事件名：单击/n");
}, 300); }).bind("dblclick", function () {
// 取消上次延时未执行的方法
clearTimeout(timeFunName);
num++;
$("textarea").val($("textarea").val() + "第" + num + "次事件，事件名：双击/n");
});
});
</script>
</head>
<body>
<textarea rows="20" cols="50"></textarea><button type="button">提交</button></body></html>
<input type="button" id="submit" value="提交">
<script>
$(document).ready(function(){
$("#submit").click(function(){
var nowTime = new Date().getTime();
var clickTime = $(this).attr("ctime");
if( clickTime != 'undefined' && (nowTime - clickTime < 5000)){
alert('操作过于频繁，稍后再试');
return false;
}else{
$(this).attr("ctime",nowTime);
alert('提交成功');
}
});
});