<body>
<a href="">点我打开一个新的页面</a>
<a href="">点我关闭本页面</a>
</body>
var a1 = document.getElementsByTagName('a')[0]
var a2 = document.getElementsByTagName('a')[1]
a1.onclick = function(){
window.open("http://www.baidu.com","_blank",'width=100px,height=100px')
}
a2.onclick = function(){
window.close();
}