js method to realize that large advertisements will automatically disappear when sliding out of the upper right corner of the web page_javascript skills

The example in this article describes how to use js to realize the automatic disappearance of large advertisements when sliding out of the upper right corner of a web page. Share it with everyone for your reference. The specific implementation method is as follows:

Copy code The code is as follows:

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I hope this article will be helpful to everyone’s JavaScript programming design.