JavaScript Implementation click the button to pop a closed layer window at the same time Web page background grayed out method _javascript tips

The example of this article tells the JavaScript implementation click button to pop a window to close the layer and the background of the Web page dimmed. Share to everyone for your reference. The specific analysis is as follows:

Here click the button, pop-up a closed layer window, with the background of the Web page dimmed, QQ site will often see the effect of QQ login, and this very similar, code snippets based on JavaScript, according to your situation, and sometimes the use of CSS to complete this function.

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