<script>document.write(trimString('jerrywang',5));</script>

解决方案 »

  1.   

    这样就可以了
    <HTML>
    <HEAD>
    <script language="javascript">
    function trimString(str, num)
    {
    if (str.length > num) 
    {
    s = str.substr(0,num) + "......" ;
    }
    return s;
    }
    </script>
    </HEAD>
    <body MS_POSITIONING="GridLayout">
    <form id="Form1" method="post" runat="server">
        hello <script>document.write(trimString('jerrywang',5));</script>
    </form>
    </body>
    </HTML>
      

  2.   

    <HTML>
    <HEAD>
    <script language="javascript">
    function trimString(str, num)
    {
    if (str.length > num) 
    {
    s = str.substr(0,num) + "......" ;
    }
    return s;
    }
    </script>
    </HEAD>
    <body MS_POSITIONING="GridLayout">
    <form id="Form1" method="post" runat="server">
        hello <script>document.write(trimString('jerrywang',6));</script>
    </form>
    </body>
    </HTML>