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jquery simple popup layer floating layer code_jquery

WBOY
WBOYOriginal
2016-05-16 16:02:031348browse

jquery smart pop-up layer, the position can be adaptive, and it will automatically move to the left when the layer is displayed on the right. Please press F5 to refresh when running for the first time. The effect can only be seen after loading the remote jQuery. Click the left mouse button and the pop-up layer will appear. When you click on the far right, the layer will automatically move to the left. 

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery弹出层浮动层代码</title>
<script src="/ajaxjs/jquery1.3.2.js" type="text/javascript"></script>
<style>
*{ margin:0; padding:0}
body{ margin:0; padding:0; font-size:12px}
ul,li{ list-style:none}
ul{position:relative;top:-3px; left:-3px;border:1px solid #ccc; background:#fff;}
li{height:23px;line-height:23px;cursor:default; padding:0 0 0 10px}
li.current{background:#eee}
.wrap{ width:158px; background:#eee; position:absolute;}
</style>
<script type="text/javascript">
$(function(){
$(".wrap").hide();
var objW=$(".wrap").width();
var objH=$(".wrap").height();
$(document).mousedown(function(e){
var selfX=objW+e.pageX;
var selfY=objH+e.pageY
var bodyW=document.documentElement.clientWidth+document.documentElement.scrollLeft;
var bodyH=document.documentElement.clientHeight+document.documentElement.scrollTop;
if(selfX>bodyW && selfY>bodyH){
$(".wrap").css({top:(bodyH-objH),left:(bodyW-objW)}).show();
}else if(selfY>bodyH){
$(".wrap").css({top:(bodyH-objH),left:e.pageX}).show();
}else if(selfX>bodyW){
$(".wrap").css({top:e.pageY,left:(bodyW-objW)}).show();
}else{
$(".wrap").css({top:e.pageY,left:e.pageX}).show();
}
})
$("li").hover(function(){
$(this).addClass("current");
},function(){
$(this).removeClass("current");
}).click(function(){
alert($(this).text())
$(this).parent().parent().hide();
})
})
</script>
</head>
<body>
<div style="height:800px;width:900px"> </div>
<div style="position:absolute;top:300px;left:300px"><span style="color:#f00;font-size:28px">请按F5刷新，才能看到效果，</span><br>点击鼠标左键，弹出层，<br>在最右边点击时


层自动往左移</div>
<div class="wrap">
<ul onmousedown="event.cancelBubble = true">
<li>连江</li>
<li>宁德</li>
<li>福州</li>
<li>厦门</li>
<li>北京</li>
</ul>
</div>
</body>
</html>

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