<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT=""></HEAD>
<BODY>
<input type = 'button' onClick = "show();" value = 'text'/>
</BODY>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show()
{
window.alert('');//这里加点东西
}
//-->
</SCRIPT>
</HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT=""></HEAD>
<BODY>
<input type = 'button' onClick = "show();" value = 'text'/>
</BODY>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show()
{
window.alert('');//这里加点东西
}
//-->
</SCRIPT>
</HTML>
window.alert(); 连引号都没有!你还想弹出啊!