console 命令行工具 X clear
console
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>代码学院(codexy.cn)</title>
<script>
function openWin(){
	myWindow=window.open('http://www.baidu.com',"test");
}

function openWin2(){
	myWindow=window.open('http://www.baidu.com');
}
</script>
</head>
<body>

<input type="button" value="打开窗口" onclick="openWin()" />
<input type="button" value="打开窗口-新" onclick="openWin2()" />

</body>
</html>