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JS标签的各种事件的举例

时间:2016-04-16 15:14:20      阅读:278      评论:0      收藏:0      [点我收藏+]

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1.鼠标单击事件( onclick )

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title>单击事件 </title>
 6 <script type="text/javascript">
 7   function openwin(){
 8      window.open(http://www.cnblogs.com/lonecloud/,_blank,height=600,width=400,top=100,toolbar=no,left=0,menubar=no,scrollbars=no,status=no);}
 9 </script>
10 </head>
11 <body>
12   <form>
13     <input name="点击我" type="button" value="点击我" onClick="openwin()"/>
14   </form>
15 </body>
16 </html>

2.鼠标经过事件(onmouseover)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title> 鼠标经过事件 </title>
 6 <script type="text/javascript">
 7     function message(){
 8       confirm("请输入密码后,再单击确定!"); }
 9 </script>
10 </head>
11 <body>
12 <form>
13 密码:<input name="password" type="password" >
14 <input name="确定" type="button" value="确定"onmouseover="message()"/>
15 </form>
16 </body>
17 </html>

3.鼠标移开事件(onmouseout)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title>鼠标移开事件 </title>
 6 <script type="text/javascript">
 7   function message(){
 8     alert("不要移开,点击后进入我的博客!"); }
 9 </script>
10 </head>
11 <body>
12 <form>
13   <a href="http://www.imooc.com" onmouseout="message()">点击我</a>
14 </form>
15 </body>
16 </html>

4.光标聚焦事件(onfocus)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title> 光标聚焦事件 </title>
 6   <script type="text/javascript">
 7     function message(){
 8       alert("请选择,您现在的职业!");
 9     }
10   </script>
11 </head>
12 <body>
13 请选择您的职业:<br>
14   <form>
15     <select name="career" onfocus="message()"> 
16       <option>学生</option> 
17       <option>教师</option> 
18       <option>工程师</option> 
19       <option>演员</option> 
20       <option>会计</option> 
21     </select> 
22   </form>
23 </body>
24 </html>

5.失焦事件(onblur)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 5 <title> 失焦事件 </title>
 6 <script type="text/javascript">
 7   function message(){
 8     alert("请确定已输入密码后,在移开!"); }
 9 </script>    
10 </head>
11 <body>
12   <form>
13    用户:<input name="username" type="text" value="请输入用户名!" onblur="message()" >
14    密码:<input name="password" type="text" value="请输入密码!" >
15   </form>
16 </body>
17 </html>

6.内容选中事件(onselect)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 5 <title> 内容选中事件 </title>
 6 <script type="text/javascript">
 7   function message(){
 8     alert("您触发了选中事件!"); }
 9 </script>    
10 </head>
11 <body>
12   <form>
13   个人简介:<br>
14    <textarea name="summary" cols="60" rows="5" onselect="message()">请写入个人简介,不少于200字!</textarea>
15   </form>
16 </body>
17 </html>

7.文本框内容改变事件(onchange)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 5 <title> 文本框内容改变事件 </title>
 6 <script type="text/javascript">
 7   function message(){
 8     alert("您改变了文本内容!"); }
 9 </script>    
10 </head>
11 <body>
12   <form>
13   个人简介:<br>
14    <textarea name="summary" cols="60" rows="5"onChange="message()">请写入个人简介,不少于200字!</textarea>
15   </form>
16 </body>
17 </html>

8.加载事件(onload)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 5 <title> 加载事件 </title>
 6 <script type="text/javascript">
 7   function message(){
 8     alert("加载中,请稍等…"); }
 9 </script>    
10 </head>
11 <body onload="message()">
12   欢迎学习JavaScript。
13 </body>
14 </html>

9.卸载事件(onunload)

 1 <!DOCTYPE HTML>
 2 <html>
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 5 <title> 卸载事件 </title>
 6 <script type="text/javascript">   
 7      window.onunload = onunload_message;   
 8      function onunload_message(){   
 9         alert("您确定离开该网页吗?");   
10     }   
11 </script>   
12 </head>
13 <body onunload="onunload_message()">
14   欢迎学习JavaScript。
15 </body>
16 </html>

 

JS标签的各种事件的举例

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原文地址:http://www.cnblogs.com/lonecloud/p/5398406.html

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