JS案例：单击页面上两个按钮，显示不同的问候语
来自CloudWiki
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>动态绑定事件示例</title>
<script type="text/javascript">
function wel_girl()
{
alert("欢迎您,女士请到二楼接待室!");
}
function wel_boy()
{
alert("欢迎您，男士请到一楼接待室!");
}
</script>
</head>
<body>
<p>
<button name="button1" id="buttonn1">我是男士</button>
</p>
<p>
<button name="button2" id="buttonn2">我是女士</button>
</p>
<script type="text/javascript">
var wel_boy=document.getElementById("button1");
wel_boy.onclick=wel_boy;
var wel_girl=document.getElementById("button2");
wel_gril.onclick=wel_girl;
</script>
</body>
</html>
