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52.统计中文字符个数

2017-06-30 15:36  笨笨03  阅读(256)  评论(0)  编辑  收藏  举报 
 1 <!DOCTYPE html>
 2 <html>
 3 <head lang="en">
 4     <meta charset="UTF-8">
 5     <title>统计中文字符个数-通用</title>
 6 </head>
 7 <body>
 8 <input type="text" onblur="alert(c(this.value))"/>
 9 <script>
10     var c = function (str) {
11         re = /[\u4E00-\u9FA5]/g;
12         if (re.test(str)) {
13             return str.match(re).length
14 
15         } else {
16 
17             return 0
18         }
19 
20     }
21 </script>
22 
23 </body>
24 </html>
View Code

 


<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>统计中文字符个数-通用</title>
</head>
<body>
<input type="text" onblur="alert(c(this.value))"/>
<script>
    var c = function (str) {
        re = /[\u4E00-\u9FA5]/g;
        if (re.test(str)) {
            return str.match(re).length

        } else {

            return 0
        }

    }
</script>

</body>
</html>