Safari 支持替代的 -webkit-transition-timing-function 属性。
注释:Internet Explorer 9 以及更早版本的浏览器不支持 transition-timing-function 属性。
transition-timing-function 属性规定过渡效果的速度曲线。
该属性允许过渡效果随着时间来改变其速度。
默认值: |
ease |
继承性: |
no |
版本: |
CSS3 |
JavaScript 语法: |
object.style.transitionTimingFunction="linear" |
transition-timing-function: linear|ease|ease-in|ease-out|ease-in-out|cubic-bezier(n,n,n,n);
值 |
描述 |
linear |
规定以相同速度开始至结束的过渡效果(等于 cubic-bezier(0,0,1,1))。 |
ease |
规定慢速开始,然后变快,然后慢速结束的过渡效果(cubic-bezier(0.25,0.1,0.25,1))。 |
ease-in |
规定以慢速开始的过渡效果(等于 cubic-bezier(0.42,0,1,1))。 |
ease-out |
规定以慢速结束的过渡效果(等于 cubic-bezier(0,0,0.58,1))。 |
ease-in-out |
规定以慢速开始和结束的过渡效果(等于 cubic-bezier(0.42,0,0.58,1))。 |
cubic-bezier(n,n,n,n) |
在 cubic-bezier 函数中定义自己的值。可能的值是 0 至 1 之间的数值。 |
为了更好地理解不同的函数值,请看下面带有五个不同值的五个不同的 div 元素:
<!DOCTYPE html>
<html>
<head>
<style>
div
{
width:100px;
height:50px;
background:red;
color:white;
font-weight:bold;
transition:width 2s;
-moz-transition:width 2s; /* Firefox 4 */
-webkit-transition:width 2s; /* Safari and Chrome */
-o-transition:width 2s; /* Opera */
}
#div1 {transition-timing-function: linear;}
#div2 {transition-timing-function: ease;}
#div3 {transition-timing-function: ease-in;}
#div4 {transition-timing-function: ease-out;}
#div5 {transition-timing-function: ease-in-out;}
/* Firefox 4: */
#div1 {-moz-transition-timing-function: linear;}
#div2 {-moz-transition-timing-function: ease;}
#div3 {-moz-transition-timing-function: ease-in;}
#div4 {-moz-transition-timing-function: ease-out;}
#div5 {-moz-transition-timing-function: ease-in-out;}
/* Safari and Chrome: */
#div1 {-webkit-transition-timing-function: linear;}
#div2 {-webkit-transition-timing-function: ease;}
#div3 {-webkit-transition-timing-function: ease-in;}
#div4 {-webkit-transition-timing-function: ease-out;}
#div5 {-webkit-transition-timing-function: ease-in-out;}
/* Opera: */
#div1 {-o-transition-timing-function: linear;}
#div2 {-o-transition-timing-function: ease;}
#div3 {-o-transition-timing-function: ease-in;}
#div4 {-o-transition-timing-function: ease-out;}
#div5 {-o-transition-timing-function: ease-in-out;}
div:hover
{
width:300px;
}
</style>
</head>
<body>
<div id="div1" style="top:100px">linear</div>
<div id="div2" style="top:150px">ease</div>
<div id="div3" style="top:200px">ease-in</div>
<div id="div4" style="top:250px">ease-out</div>
<div id="div5" style="top:300px">ease-in-out</div>
<p>请把鼠标指针移动到红色的 div 元素上,就可以看到过渡效果。</p>
<p><b>注释:</b>本例在 Internet Explorer 中无效。</p>
</body>
</html>
与上例相同,但通过 cubic-bezier 来规定速度曲线:
<!DOCTYPE html>
<html>
<head>
<style>
div
{
width:100px;
height:50px;
background:red;
color:white;
font-weight:bold;
transition:width 2s;
-moz-transition:width 2s; /* Firefox 4 */
-webkit-transition:width 2s; /* Safari and Chrome */
-o-transition:width 2s; /* Opera */
}
#div1 {transition-timing-function: cubic-bezier(0,0,0.25,1);}
#div2 {transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}
#div3 {transition-timing-function: cubic-bezier(0.42,0,1,1);}
#div4 {transition-timing-function: cubic-bezier(0,0,0.58,1);}
#div5 {transition-timing-function: cubic-bezier(0.42,0,0.58,1);}
/* Firefox 4: */
#div1 {-moz-transition-timing-function: cubic-bezier(0,0,0.25,1);}
#div2 {-moz-transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}
#div3 {-moz-transition-timing-function: cubic-bezier(0.42,0,1,1);}
#div4 {-moz-transition-timing-function: cubic-bezier(0,0,0.58,1);}
#div5 {-moz-transition-timing-function: cubic-bezier(0.42,0,0.58,1);}
/* Safari and Chrome: */
#div1 {-webkit-transition-timing-function: cubic-bezier(0,0,0.25,1);}
#div2 {-webkit-transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}
#div3 {-webkit-transition-timing-function: cubic-bezier(0.42,0,1,1);}
#div4 {-webkit-transition-timing-function: cubic-bezier(0,0,0.58,1);}
#div5 {-webkit-transition-timing-function: cubic-bezier(0.42,0,0.58,1);}
/* Opera: */
#div1 {-o-transition-timing-function: cubic-bezier(0,0,0.25,1);}
#div2 {-o-transition-timing-function: cubic-bezier(0.25,0.1,0.25,1);}
#div3 {-o-transition-timing-function: cubic-bezier(0.42,0,1,1);}
#div4 {-o-transition-timing-function: cubic-bezier(0,0,0.58,1);}
#div5 {-o-transition-timing-function: cubic-bezier(0.42,0,0.58,1);}
div:hover
{
width:300px;
}
</style>
</head>
<body>
<div id="div1" style="top:100px">linear</div>
<div id="div2" style="top:150px">ease</div>
<div id="div3" style="top:200px">ease-in</div>
<div id="div4" style="top:250px">ease-out</div>
<div id="div5" style="top:300px">ease-in-out</div>
<p>请把鼠标指针移动到红色的 div 元素上,就可以看到过渡效果。</p>
<p><b>注释:</b>本例在 Internet Explorer 中无效。</p>
</body>
</html>
<view class='c01'>
01
</view>
<view>请把鼠标指针移动到蓝色的元素上,就可以看到过渡效果。高度变为200px</view>
.c01{
width:100px;
height:100px;
background:blue;
transition-property:height;
transition-duration:5s;
transition-delay:0s;
transition-timing-function: ease; /* 规定慢速开始,然后变快,然后慢速结束的过渡效果(cubic-bezier(0.25,0.1,0.25,1))。 */
}
.c01:hover{
height: 200px;
}