javascript 关闭本窗口的几个小方法

<input type=button value=关闭2 onClick=javascript:window.close();return false;>
<button onClick="window.opener=’anyone’;window.close();">值得推荐的关闭</button>
<a href="javascript:close();">关闭本窗口</a>
<a href=javascript:window.opener=null;window.close()>Close</a>