js_判断当前url是否合法http(s) 

 1 alert(checkURL('http:555')); //false
 2 function checkURL(URL) {
 3     var str = URL,
 4         Expression = /http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/,
 5         objExp = new RegExp(Expression);
 6     if(objExp.test(str) == true) {
 7         return true
 8     } else {
 9         return false
10     }
11 }

全部代码：

 1 <!DOCTYPE html>
 2 <html>
 3 
 4     <head>
 5         <meta charset="UTF-8">
 6         <title></title>
 7     </head>
 8 
 9     <body>
10         <script type="text/javascript">
11             alert(checkURL('http:555')); //false
12             function checkURL(URL) {
13                 var str = URL,
14                     Expression = /http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/,
15                     objExp = new RegExp(Expression);
16                 if(objExp.test(str) == true) {
17                     return true
18                 } else {
19                     return false
20                 }
21             }
22         </script>
23     </body>
24 
25 </html>
View Code

 

posted @ 2018-04-17 09:54  幽谷兰花  阅读(1984)  评论(1)  编辑  收藏  举报