document.all.txt.focus()
document.all.txt.select()

解决方案 »

  1.   

    <input type="text" name="text1" value="fsdfds" onmouseover="this.select();" />
    自己修改下吧,反正就是用xxx.select()
      

  2.   

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <HTML>
    <HEAD>
    <TITLE> New Document </TITLE>
    <META NAME="Generator" CONTENT="EditPlus">
    <META NAME="Author" CONTENT="">
    <META NAME="Keywords" CONTENT="">
    <META NAME="Description" CONTENT="">
    <SCRIPT LANGUAGE="JavaScript">
    <!--
    function f_select(){
       var txt = document.getElementById("text1");
       txt.select();
    }
    window.onload=function (){
    f_select();
    }
    //-->
    </SCRIPT>
    </HEAD><BODY>

    <input type="text" name="text1" value="fsdfds"  onmousedown="this.focus();this.value='';"/>
    </BODY>
    </HTML>