禁用键盘上的按键js代码
来源：未知
时间：2015-06-09 19:58 作者：xxadmin
阅读:次
[导读] !DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Strict//EN http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd html xmlns=http://www.w3.org/1999/xhtml lang=zh-CN head title新建网页/title meta http-equiv=Content-Type content=text/html; charset=...
-
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
-
<head>
-
<title>新建网页</title>
-
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-
<meta name="description" content="布尔教育 http://www.itbool.com" />
-
</head>
-
<body>
-
<div id="test"></div>
-
</body>
-
<script>
-
document.onkeydown = function (e) {
-
var ev = window.event || e;
-
var code = ev.keyCode || ev.which;
-
if (code == 116) {
-
if(ev.preventDefault) {
-
ev.preventDefault();
-
} else {
-
ev.keyCode = 0;
-
ev.returnValue = false;
-
}
-
}
-
}
-
-
document.getElementById('test').innerHTML = Math.random();
-
</script>
-
</html>
|
