First, let’s take a look at the JS event model. The JS event model is upward bubbling. For example, after an onclick event is triggered on a certain DOM element, the event will propagate upward following the node until a click event is bound to a certain parent node. , if not it will go up to the root of the document.
Prevent bubbling: 1. stopPropagation() for non-IE browsers. 2. The cancelBubble attribute is true, for IE browser,
Jquery already has a browser-compatible method, event.stopImmediatePropagation();
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script type="text/javascript" src="js/jquery-1.4.4.min.js" ></script>
<title></title>
</head>
<style type="text/css">
body
{
background-color:#999999;
}
#myDiv
{
background-color:#FFFFFF;
width:250px;
height:250px;
display:none;
}
</style>
<body>
<input id="btn" type="button" value="显示DIV" />
<div id="myDiv">
This is a div;
</div>
</body>
<script type="text/javascript">
var myDiv = $("#myDiv");
$(function ()
{
$("#btn").click(function (event)
{
showDiv();//调用显示DIV方法
$(document).one("click", function ()
{//对document绑定一个影藏Div方法
$(myDiv).hide();
});
event.stopPropagation();//阻止事件向上冒泡
});
$(myDiv).click(function (event)
{
event.stopPropagation();//阻止事件向上冒泡
});
});
function showDiv()
{
$(myDiv).fadeIn();
}
</script>
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