会有安全提示。
<button onclick='new ActiveXObject("wscript.shell").sendKeys("{PGDN}")'>PGDown</button>
<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
<button onclick='new ActiveXObject("wscript.shell").sendKeys("{PGDN}")'>PGDown</button>
<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
你查一下vb书,多的一塌糊涂
<a onclick="window.event.keyCode=9">按一下</a>
<input type=button value=up onclick="pressKey('up')">
<input type=button value=down onclick="pressKey('down')">
<input type=button value=pageup onclick="pressKey('pageUp')">
<input type=button value=pagedown onclick="pressKey('pageDown')">
<input type=button value=enter onclick="pressKey('enter')">
<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><script language="javascript">
<!--
function pressKey(key)
{
var WshShell = new ActiveXObject("WScript.Shell");
switch(key)
{
case "pageUp" :
WshShell.SendKeys("{PGUP}");
break;
case "up" :
WshShell.SendKeys("{UP}");
break;
case "pageDown":
WshShell.SendKeys("{PGDN}");
break;
case "down" :
WshShell.SendKeys("{DOWN}");
break;
case "enter":
WshShell.SendKeys("{ENTER}");
break;
}
}
//-->
</script>必须设置你的IE允许activex交互