opacity从0到1有什么作用？opacity属性怎么用?

Answer 1

What is the effect of opacity from 0 to 1? How to use the opacity attribute? - PHP Chinese website Q&A - What is the role of opacity from 0 to 1? How to use the opacity attribute? - PHP Chinese website Q&A

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Answer 2

设置元素透明度，取值范围0-1，如opacity:0.5;