JQuery替换全部字符

  //JQuery替换全部字符
　　　<script>
     String.prototype.replaceAll = function (targetStr, newStr) {
       var sourceStr = this.valueOf();
       while (sourceStr.indexOf(targetStr) !== -1) {
            sourceStr = sourceStr.replace(targetStr, newStr);
       }
       return sourceStr;
     };
  </script>

　　//Jquery替换全部字符  replace升级 replaceAll

<script>
　　String.prototype.replaceAll = function (s1, s2) {
         return this.replace(new RegExp(s1, "gm"), s2);
      }
</script>