출처 : 본인 
 &lt;script type="text/javascript"&gt;<o:p></o:p>

&nbsp;&nbsp;&nbsp; String.prototype.replaceAll = function (searchValue, replaceValue) {<o:p></o:p>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return this.split(searchValue).join(replaceValue);<o:p></o:p>

&nbsp;&nbsp;&nbsp; }<o:p></o:p>

&lt;/script&gt;&nbsp;

JavaScript ReplaceAll 함수