统计字符串中某个字符的个数

时间 2019-11-15

标签统计字符串某个字符个数繁體版

原文原文链接

<!DOCTYPE html>
<html>
<body>     <title>统计字符串中某个字符的个数</title>
     <script>
         var countryList=["one","two","three","four","five","six"];
         var count=0;
         document.write("在如下字符中：<br/>");
         for(var i in countryList){            document.write(countryList[i]+" ");
            if(countryList[i].indexOf("o")!=-1)
            count++;
        }
   document.write("<br/> 字符o有"+count+"个。");
     </script>
 </body>
</html>  以上