How to operate JS to implement transparency gradient animation

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Release: 2018-06-01 14:40:49
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This time I will show you how to operate JS to achieve transparency gradient animation. What are theprecautions for operating JS to achieve transparency gradient animation? The following is a practical case, let’s take a look.

    JS透明度变化效果  

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Summary:

1. The difference between filter and opacity: w3c standard transparency is opacity, filter can only be used by IE, other browsers support opacity

2 . When changing the transparency, the transparency value cannot be obtained through a method similar to offsetLeft, so you need to create a separate variable
3. Don’t forget to assign the
timerto timer

I believe you have read the case in this article You have mastered the method. For more exciting information, please pay attention to other related articles on the php Chinese website!

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