可以显示的
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<script tyep="text/javascript">
alert("欢迎来到慕课网")
function handleClick(){
window.open("https://www.baidu.com","_top","width=600,height=400")
}
</script>
</head>
<body>
<button type="submit" onclick="handleClick()">点击我，打开新窗口按钮</button>
</body>
</html>
