統計字符串中某個字符的個數

<!DOCTYPE html>
<html>
<body>     <title>統計字符串中某個字符的個數</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+"個。");
     </script>
 </body>
</html>  以上
相關文章
相關標籤/搜索