1 <script language=javascript> 2 var s=‘jhdoiweesdds‘; 3 var n=(s.split(‘d‘)).length-1; 4 document.write(n); 5 </script>
js 判断一个字符在字符串中出现的次数?
原文:http://www.cnblogs.com/zsczsc/p/7063102.html