window事件？

Question

我在主页做了个音乐播放器，window.onload()之后会自动播放。但是，如果这个主页不关闭，再次打开主页，两个主页都会播放音乐。

现在，我想能不能够添加一个监听器或者是什么东西，来监听主页是不是已经打开了一个，如果已经存在主页，那么新打开的主页的音乐播放器将移除autoplay属性。

请问这个监听器应该是个什么方法？调用哪些属性？

Answer 1

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