如何在主页中实现：关闭一个已经打开的窗口？要代码。越详细越好。

Question

如果没有句柄
<script>
window.open("","窗口的name","")
</script><script>
window.open("","打开窗口的name","").close();
</script>如果有句柄
<script>
win=window.open("","窗口的name","")
</script><script>
win.close();
</script>

Answer 1

如果没有句柄
<script>
window.open("","窗口的name","")
</script><script>
window.open("","打开窗口的name","").close();
</script>如果有句柄
<script>
win=window.open("","窗口的name","")
</script><script>
win.close();
</script>

Answer 2

如果没有句柄
<script>
window.open("","窗口的name","")
</script><script>
window.open("","打开窗口的name","").close();
</script>如果有句柄
<script>
win=window.open("","窗口的name","")
</script><script>
win.close();
</script>