前端中transition的用法
时间: 2023-09-30 18:05:04 浏览: 68
transition是一种CSS属性,用于在CSS属性值发生变化时创建动画效果。它可以应用于元素的任何属性,如颜色、位置、大小、透明度等。
transition的语法如下:
```css
transition: property duration timing-function delay;
```
其中,property指定要应用transition的CSS属性,duration指定动画的持续时间,timing-function指定动画的速度曲线,delay指定动画延迟多少时间开始执行。
例如,将一个按钮的背景颜色在鼠标悬停时从白色变为黑色,并且添加一个0.5秒的动画效果,可以这样写:
```css
button {
background-color: white;
transition: background-color 0.5s ease;
}
button:hover {
background-color: black;
}
```
这样,在鼠标悬停时,按钮的背景颜色会平滑地从白色变为黑色,持续时间为0.5秒,速度曲线为ease(即先慢后快再慢)。
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