CSS参考手册
动画和转换 | Animations & Transitions
过渡延时 | transition-delay
CSS的transition-delay属性规定了在过渡效果开始作用之前需要等待的时间。
值以秒(s)或毫秒(ms)为单位,表明动画过渡效果将在何时开始。取值为正时会延迟一段时间来响应过渡效果;取值为负时会导致过渡立即开始。
/* <time> values */
transition-delay: 3s;
transition-delay: 2s, 4ms;
/* Global values */
transition-delay: inherit;
transition-delay: initial;
transition-delay: unset;
你可以指定多个延迟时间,每个延迟将会分别作用于你所指定的相符合的css属性(transition-property)
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>
表明动画效果属性生效之前需要等待的时间。
形式语法
<time>#
示例
transition-delay: 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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:0.5s;
-webkit-transition-timing-function: linear;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay:0.5s;
transition-timing-function: linear;
}
.box1{
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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:0.5s;
-webkit-transition-timing-function: linear;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay:0.5s;
transition-timing-function: linear;
}
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-delay: 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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:1s;
-webkit-transition-timing-function: linear;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay:1s;
transition-timing-function: linear;
}
.box1{
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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:1s;
-webkit-transition-timing-function: linear;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay:1s;
transition-timing-function: linear;
}
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-delay: 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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:2s;
-webkit-transition-timing-function: linear;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay:2s;
transition-timing-function: linear;
}
.box1{
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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:2s;
-webkit-transition-timing-function: linear;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay:2s;
transition-timing-function: linear;
}
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-delay: 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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:4s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay:4s;
transition-timing-function: ease-in-out;
}
.box1{
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 color;
-webkit-transition-duration:2s;
-webkit-transition-delay:4s;
-webkit-transition-timing-function: ease-in-out;
transition-property: width height background-color font-size left top color;
transition-duration:2s;
transition-delay: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-delay' 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)-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 12.102 |
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-webkit
了对该属性的前缀版本的支持,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
。
参见关于Opera 12.50的博客文章。
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