Day21-30/code/demo02/example08.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<a name="foo" href="http://www.baidu.com">百度一下</a>
		<script>
			var aList = document.getElementsByName('foo');
			aList[0].addEventListener('click', function(evt) {
				evt = evt || window.event;
				if (!confirm('真的要去百度吗?')) {
					// 阻止事件的默认行为
					if (evt.preventDefault) {
						evt.preventDefault();
					} else {
						evt.returnValue = false;
					}
				}
			});
		</script>
	</body>
</html>