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JavaScript changes the position value to fix the menu after scrolling to the top_javascript skills
JavaScript changes the position value to fix the menu after scrolling to the top_javascript skills
WBOY
Release： 2016-05-16 17:43:18
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Many websites now have such an effect. When the page scrolls to a certain height, the menu bar will be fixed at the top of the page. In fact, it is to change the value of position. html code:
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