和这个道理一样
<!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 show(){
showTitle.innerHTML = "ssssssss";
}
//-->
</SCRIPT>
</HEAD><BODY>
<FORM METHOD=POST ACTION="">
<INPUT TYPE="text" NAME="text1" onmousemove="show()">
<div ID = "showTitle"></div>
</FORM>
</BODY>
</HTML>

解决方案 »

  1.   

    <!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 show(inttype){
    switch(inttype){
    case 1:
    showTitle.innerHTML = "ssssssss";
    break;
    case 2:
    showTitle.innerHTML = "";
    break;
    }
    }
    //-->
    </SCRIPT>
    </HEAD><BODY>
    <FORM METHOD=POST ACTION="">
    <INPUT TYPE="text" NAME="text1" onmousemove="show(1)" onmouseout = "show(2)">
    <div ID = "showTitle"></div>
    </FORM>
    </BODY>
    </HTML>