<script language="JavaScript">
<!--
var str="sga&nbsp;&nbsp;&nbsp;sd&nbsp;&nbsp;g11"
str=str.replace(/&nbsp;/g,'')
alert(str)
//-->
</script>这样试试

解决方案 »

  1.   

    alert("a&nbsp;a".replace("&nbsp;",""))
      

  2.   

    用String的函数replace(/&nbsp;/g,'')就可以了
      

  3.   

    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
    </head>
    <body>a&nbsp;a&nbsp;a&nbsp;
    <script language="javascript">
    var inStr="&nbsp;";
    var outStr=""
    function replaceHtml(){
    document.write (document.documentElement.innerHTML.split(inStr).join(outStr))
    }
    window.onload = replaceHtml;
    </script>
    </body>
    </html>