window.open获取回调值

window.open获取回调值
We usually use the "open" method in the window object to open a new window in Javascript. However, sometimes you need to change some values in the parent window depending on the changes of the new window elements values or you may need to call a method in the parent window from the child one. To do so, you can use the "opener" property in the window object to access the pare...
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