禁用某个keycode操作

2017-12-14 195 阅读1分钟

<html>
<head>
    <title>Title</title>
</head>
</body>

<script type="text/javascript">
    function disableBack()
    {
        if(event.keyCode==32)   // 禁用空格键
            return false;
    }
    document.onkeydown=disableBack;
</script>
</html>