CSS参考手册
动画和转换 | Animations & Transitions
过渡时间 | transition-duration
transition-duration
属性以秒或毫秒为单位指定过渡动画所需的时间。默认值为 0s ,表示不出现过渡动画。
可以指定多个时长,每个时长会被应用到由 transition-property
指定的对应属性上。如果指定的时长个数小于属性个数,那么时长列表会重复。如果时长列表更长,那么该列表会被裁减。两种情况下,属性列表都保持不变。
/* <time> values */
transition-duration: 6s;
transition-duration: 120ms;
transition-duration: 1s, 15s;
transition-duration: 10s, 30s, 230ms;
/* Global values */
transition-duration: inherit;
transition-duration: initial;
transition-duration: unset;
初始值 |
0s |
---|---|
适用元素 |
all elements, ::before and ::after pseudo-elements |
是否是继承属性 |
no |
适用媒体 |
interactive |
计算值 |
as specified |
Animation type |
discrete |
正规顺序 |
the unique non-ambiguous order defined by the formal grammar |
语法
值
<time>
<time>
类型。表示过渡属性从旧的值转变到新的值所需要的时间。如果时长是 0s
,表示不会呈现过渡动画,属性会瞬间完成转变。不接受负值。
形式语法
<time>#
示例
transition-duration: 0.5s
<div class="parent">
<div class="box">Lorem</div>
</div>
.parent { width: 250px; height:125px;}
.box {
width: 100px;
height: 100px;
background-color: red;
font-size: 20px;
left: 0px;
top: 0px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
-webkit-transition-duration:0.5s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform -webkit-transform color;
transition-duration:0.5s;
transition-timing-function: ease-in-out;
}
.box1{
transform: rotate(270deg);
-webkit-transform: rotate(270deg);
width: 50px;
height: 50px;
background-color: blue;
color: yellow;
font-size: 18px;
left: 150px;
top:25px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
-webkit-transition-duration:0.5s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform -webkit-transformv color;
transition-duration:0.5s;
transition-timing-function: ease-in-out;
}
function updateTransition() {
var el = document.querySelector("div.box");
if (el) {
el.className = "box1";
} else {
el = document.querySelector("div.box1");
el.className = "box";
}
return el;
}
var intervalID = window.setInterval(updateTransition, 7000);
transition-duration: 1s
<div class="parent">
<div class="box">Lorem</div>
</div>
.parent { width: 250px; height:125px;}
.box {
width: 100px;
height: 100px;
background-color: red;
font-size: 20px;
left: 0px;
top: 0px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top -webkit-transform color;
-webkit-transition-duration:1s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform color;
transition-duration:1s;
transition-timing-function: ease-in-out;
}
.box1{
transform: rotate(270deg);
-webkit-transform: rotate(270deg);
width: 50px;
height: 50px;
background-color: blue;
color: yellow;
font-size: 18px;
left: 150px;
top:25px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top -webkit-transform transform color;
-webkit-transition-duration:1s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform -webkit-transform color;
transition-duration:1s;
transition-timing-function: ease-in-out;
}
function updateTransition() {
var el = document.querySelector("div.box");
if (el) {
el.className = "box1";
} else {
el = document.querySelector("div.box1");
el.className = "box";
}
return el;
}
var intervalID = window.setInterval(updateTransition, 7000);
transition-duration: 2s
<div class="parent">
<div class="box">Lorem</div>
</div>
.parent { width: 250px; height:125px;}
.box {
width: 100px;
height: 100px;
background-color: red;
font-size: 20px;
left: 0px;
top: 0px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
-webkit-transition-duration:2s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform -webkit-transform color;
transition-duration:2s;
transition-timing-function: ease-in-out;
}
.box1{
transform: rotate(270deg);
-webkit-transform: rotate(270deg);
width: 50px;
height: 50px;
background-color: blue;
color: yellow;
font-size: 18px;
left: 150px;
top:25px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
-webkit-transition-duration:2s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform -webkit-transform color;
transition-duration:2s;
transition-timing-function: ease-in-out;
}
function updateTransition() {
var el = document.querySelector("div.box");
if (el) {
el.className = "box1";
} else {
el = document.querySelector("div.box1");
el.className = "box";
}
return el;
}
var intervalID = window.setInterval(updateTransition, 7000);
transition-duration: 4s
<div class="parent">
<div class="box">Lorem</div>
</div>
.parent { width: 250px; height:125px;}
.box {
width: 100px;
height: 100px;
background-color: red;
font-size: 20px;
left: 0px;
top: 0px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
-webkit-transition-duration:4s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform -webkit-transform color;
transition-duration:4s;
transition-timing-function: ease-in-out;
}
.box1{
transform: rotate(270deg);
-webkit-transform: rotate(270deg);
width: 50px;
height: 50px;
background-color: blue;
color: yellow;
font-size: 18px;
left: 150px;
top:25px;
position:absolute;
-webkit-transition-property: width height background-color font-size left top transform -webkit-transform color;
-webkit-transition-duration:4s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top transform -webkit-transform color;
transition-duration:4s;
transition-timing-function: ease-in-out;
}
function updateTransition() {
var el = document.querySelector("div.box");
if (el) {
el.className = "box1";
} else {
el = document.querySelector("div.box1");
el.className = "box";
}
return el;
}
var intervalID = window.setInterval(updateTransition, 7000);
规范
Specification |
Status |
Comment |
---|---|---|
CSS TransitionsThe definition of 'transition-duration' in that specification. |
Working Draft |
Initial definition |
浏览器兼容性
Feature |
Chrome |
Edge |
Firefox (Gecko) |
Internet Explorer |
Opera |
Safari |
---|---|---|---|---|---|---|
Basic support |
1.0 -webkit (Yes) |
(Yes)-webkit (Yes) |
4.0 (2.0) -moz 16.0 (16.0)1 |
10.0 |
11.6 -o 12.10 # |
3.0 -webkit |
Feature |
Android |
Edge |
Firefox Mobile (Gecko) |
IE Mobile |
Opera Mobile |
Safari Mobile |
---|---|---|---|---|---|---|
Basic support |
2.1 -webkit |
(Yes)-webkit (Yes) |
4.0 (2.0) -moz 16.0 (16.0)1 |
? |
10.0 -o 12.10 # |
3.2 -webkit |
除了支持无前缀外,Gecko 44.0(Firefox 44.0 / Thunderbird 44.0 / SeaMonkey 2.41)还增加了对该属性的-webkit
前缀版本的支持,以解决layout.css.prefixes.webkit
首选项(默认为false
)的Web兼容性问题,因为Gecko 49.0(Firefox 49.0 / Thunderbird 49.0 / SeaMonkey 2.46),首选项默认为true
。
动画和转换 | Animations & Transitions相关
层叠样式表( Cascading Style Sheets )是一种用来表现 HTML 或 XML 等文件样式的计算机语言。CSS 不仅可以静态地修饰网页,还可以配合各种脚本语言动态地对网页各元素进行格式化。