App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<meta charset="utf-8"> 
<title>W3Cschool教程(w3cschool.cn)</title> 
<head>
<script>
function printmsg()
{
alert("你现在要打印该文档！");
}
</script>
</head>
<body onbeforeprint="printmsg()">
<h1>打印文档</h1>
<p><b>提示：</b> 快捷键， 如 Ctrl+P 设置打印页面。</p>
<p><b>注意：</b> 目前只有 Internet Explorer 和 Firefox 浏览器支持 onafterprint 事件属性。</p>
</body>
</html>
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