返回值
：bool类型，返回用户是否点击确定。如果点击确定，返回true，如果点击取消或小叉子关闭对话框，返回false；<br>var r=confirm("确认还是取消？")<br>console.log(r)
你可以咋点击SubmitForm方法里面调起模态框，然后模态框里面的两个按钮定义两个方法，一个确认一个取消，然后在确认方法里面取提交你的form；或者在模态框上定义一个方法，通过传参去判断是确认还是取消，然后在确认方法里面取提交你的form；
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8" />
<title>μ??</title>
<style type="text/css">
*{ padding:0margin:0list-style-type:none}
body{font-family: "??"font-size: 12px}
#t_con{ width:460pxline-height:20pxcolor:#00Fcursor:pointermargin:20px auto 0 autoborder:1px #09C dashedtext-align:center}
#t_area1{ width:268pxheight:118pxoverflow:hiddenborder:2px #09C solidbackground-color:#F1F9FCmargin:10px autopadding-bottom:10pxdisplay:none}
#t_area{ width:268pxheight:118pxoverflow:hiddenborder:2px #09C solidbackground-color:#F1F9FCmargin:10px autopadding-bottom:10pxdisplay:none}
#t_area ul{ margin:10px 0}
#t_area li{ width:60pxheight:18pxfloat:leftdisplay:inlinetext-align:centerline-height:18pxmargin:4px auto auto 5px}
#t_area li a{ color:#ffftext-decoration:none}
#t_area li a:hover,a:active{ color:#ffftext-decoration:underline}
</style>
<script type="text/javascript">
function showarea(){
var con = document.getElementById("t_area")
var arealist = con.getElementsByTagName("li")
var g = document.getElementById("t_con")
var val2 = "seeeeeee"
con.style.display = "block"
for (var i=0i<arealist.lengthi++){
arealist[i].onmouseover = function(){this.style.backgroundColor = "red"}
arealist[i].onmouseout = function(){this.style.backgroundColor = "#F1F9FC"}
arealist[i].onclick = function(){
//g.innerHTML = this.innerHTML
//document.getElementById("textnew").innerHTML=g.innerHTML//赋值给下面一个form的值
//document.getElementById("ttt").value = document.getElementById("t_con").innerHTML //赋值给下面一个form的值
document.getElementById("selected").value=this.innerHTML
//con.style.display = "none"
}
}
}
function offarea(){ //dissappeared when mouse move out this div
var con = document.getElementById("t_area")
con.style.display = "none"
}
var timer
//新增的方法
function comfirm(){
var g = document.getElementById("t_con")
g.innerHTML = document.getElementById("selected").value
offarea()
}
</script>
</head>
<body>
<div id="t_con" onClick="showarea()clearTimeout(timer)return false" onmouseout="timer=setTimeout('offarea()',3500)">
选一个吧 </div>
<div id="t_area" onmouseover="showarea() clearTimeout(timer)return false" onmouseout="offarea()clearTimeout(timer)">
<ul>
<li>四川</li>
<li>上海</li>
<li>北京那个</li>
<li>香港</li>
</ul>
<!-- 新增的按钮-->
<button onclick="comfirm()">确定</button><button onclick="offarea()">取消</button>
</div>
<!-- 新增的隐藏域，用来保存当前选择的城市-->
<input type="hidden" id="selected"/>
</body>
