第09章 事件对象(下)

index.html

<!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>事件对象</title>
<script type="text/javascript" src="jquery-1.10.1.js"></script>
<script type="text/javascript" src="demo.js"></script>
<link type="text/css" rel="stylesheet" href="style.css" />
</head>
<body>

<form action="123.html">
<div style="width:200px; height:200px; background:#ccc;">
	<input type="submit" value="按钮" />
    <a href="http://www.onestopweb.cn" target="_blank">一站式建网站</a>
</div>
</form>

</body>
</html>

demo.js

$(function(){
	/*
	//冒泡和阻止冒泡
	$('input').click(function(e){
		e.stopPropagation();	//禁止冒泡
		alert('input');
	});
	$('div').click(function(e){
		e.stopPropagation();
		alert('div');
	});
	$(document).click(function(){
		alert('document');
	});
	
	$('a').click(function(e){
		e.preventDefault(); //阻止默认行为
		alert('onestopweb');
	});
	
	//禁止表单提交
	$('input').click(function(e){
		e.preventDefault(); 
		alert('表单提交');
	});
	$('form').submit(function(e){
		e.preventDefault(); 
	});
	
	//阻止冒泡又禁止了默认行为
	$('a').click(function(e){
		e.preventDefault();
		e.stopPropagation(); 
		alert('onestopweb.cn');
	});
	$('div').click(function(e){
		e.stopPropagation();
		alert('div');
	});
	$(document).click(function(){
		alert('document');
	});
	
	$('a').click(function(e){
		//e.preventDefault();
		//e.stopPropagation(); 
		alert(e.isDefaultPrevented());
		alert(e.isPropagationStopped());
	});
	
	$('a').click(function(e){
		e.preventDefault();
		e.stopPropagation(); 
	});
	$('a').click(function(e){
		alert(e.isDefaultPrevented());
		alert(e.isPropagationStopped());
	});
	*/
	
	$('a').click(function(e){
		e.stopImmediatePropagation();
		alert(e.isImmediatePropagationStopped());
		alert('a1');
	});
	
	$('a').click(function(e){
		alert('a2');
	});
	$('div').click(function(e){
		alert('div');
	});
	$(document).click(function(){
		alert('document');
	});	
});

猜你喜欢

转载自onestopweb.iteye.com/blog/2224508