CSS animation-timing-function Property
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CSS animation-timing-function Property
CSS animation-timing-function property sets how an animation progresses through the duration of each cycle.
Example
HTML Online Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
div{
width: 100px;
height: 100px;
line-height: 5;
text-align: center;
border: 1px solid #000;
background: #39ac39;
-webkit-animation: myAnimation 1s infinite; /* Safari 4.0 - 8.0 */
animation: myAnimation 1s infinite;
-webkit-animation-direction: alternate; /* Safari 4.0 - 8.0 */
animation-direction: alternate;
}
#point{
-webkit-animation-timing-function: linear;
animation-timing-function: linear;
}
#point1{
-webkit-animation-timing-function: ease;
animation-timing-function: ease;
}
#point2{
-webkit-animation-timing-function: ease-in;
animation-timing-function: ease-in;
}
#point3{
-webkit-animation-timing-function: ease-out;
animation-timing-function: ease-out;
}
#point4{
-webkit-animation-timing-function: ease-in-out;
animation-timing-function: ease-in-out;
}
#point5{
-webkit-animation-timing-function: steps(infinite, jump-both);
animation-timing-function: steps(infinite, jump-both);
}
#point6{
-webkit-animation-timing-function: cubic-bezier(0.83, 2.3, 0.31, 0.46);
animation-timing-function: cubic-bezier(0.83, 2.3, 0.31, 0.46);
}
@-webkit-keyframes myAnimation {
from {border-radius: 0%; background: #f69d3c;}
to {border-radius: 50%; background: #0066ff}
}
@keyframes myAnimation {
from {border-radius: 0%; background: #f69d3c;}
to {border-radius: 50%; background: #0066ff}
}
</style>
</head>
<body>
<h1>CSS animation-timing-function Property</h1>
<h2>animation-timing-function: linear;</h2>
<div id="point">
div
</div>
<h2>animation-timing-function: ease;</h2>
<div id="point1">
div
</div>
<h2>animation-timing-function: ease-in;</h2>
<div id="point2">
div
</div>
<h2>animation-timing-function: ease-out;</h2>
<div id="point3">
div
</div>
<h2>animation-timing-function: ease-in-out;</h2>
<div id="point4">
div
</div>
<h2>animation-timing-function: steps(infinite, jump-both);</h2>
<div id="point5">
div
</div>
<h2>animation-timing-function: cubic-bezier(0.83, 2.3, 0.31, 0.46);</h2>
<div id="point6">
div
</div>
</body>
</html>
Syntax
Using CSS
element{
animation-timing-function: ease-in;
}
Using Javascript
object.style.animationTimingFunction="ease-in";
Animatable
No, animation-timing-function property is not animatable. CSS Animatable Properties Reference.
Default Value
Default value for CSS animation-timing-function property is ease.
Property Value
The following table provides a list of values for CSS animation-timing-function property.
| Value | Explanation |
|---|---|
| linear | Specifies that the animation has the same speed from start to end. It is equal to cubic-bezier(0.0, 0.0, 1.0, 1.0). |
| ease | Specifies that the animation has a slow start, then fast, before it ends slowly. It is equal to cubic-bezier(0.25, 0.1, 0.25, 1.0). |
| ease-in | Specifies that the animation starts off slowly, with the speed of the transition of the animating properting increasing until complete. It is equal to cubic-bezier(0.42, 0, 1.0, 1.0). |
| ease-out | Specifies that the animation starts quickly, slowing down the animation continues. It is equal to cubic-bezier(0, 0, 0.58, 1.0). |
| ease-in-out | Specifies that the animating properties slowly transitioning, speeding up, and then slowing down again. It is equal to cubic-bezier(0.42, 0, 0.58, 1.0). |
| steps(n, <option>) | Specifies that the animation iteration along n stops along the transition, displaying each stop for equal lengths of time. Possible values for option are:
|
| cubic-bezier(n,n,n,n) | Specifies your own values in the cubic-bezier function Possible values are numeric values from 0 to 1. |
Using JavaScript
In the following example, we will demonstrate how to change the CSS animation-timing-function property of an element using JavaScript.
Example
HTML Online Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
div{
width: 100px;
height: 100px;
line-height: 5;
text-align: center;
border: 1px solid #000;
background: #39ac39;
margin-bottom: 20px;
}
@-webkit-keyframes myAnimation {
from {border-radius: 0%; background: #f69d3c;}
to {border-radius: 50%; background: #0066ff}
}
@keyframes myAnimation {
from {border-radius: 0%; background: #f69d3c;}
to {border-radius: 50%; background: #0066ff}
}
</style>
</head>
<body>
<h1>CSS animation-timing-function Property</h1>
<div>
Div
</div>
<button onclick="myFunction()">Click Me</button>
<script>
var x = document.getElementsByTagName("div")[0];
function myFunction(){
x.style.animation = "myAnimation 1s infinite";
x.style.WebkitAnimation = "myAnimation 1s infinite";
x.style.animationDirection = "alternate";
x.style.WebkitAnimationDirection = "alternate";
x.style.animationTimingFunction = "cubic-bezier(0.83, 2.3, 0.31, 0.46)";
x.style.WebkitAnimationTimingFunction = "cubic-bezier(0.83, 2.3, 0.31, 0.46)";
}
</script>
</body>
</html>
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