Javascript Reference - HTML DOM Style animationTimingFunction Property

The animationTimingFunction gets and sets the speed curve of the animation.

Browser Support


`animationTimingFunction`	4.0 -webkit-	10.0	16.0 (5.0 -moz-)	4.0 -webkit-	15.0 -webkit- (12.0 -o-)

Syntax

Return the animationTimingFunction property:

var v = object.style.animationTimingFunction

Set the animationTimingFunction property:

object.style.animationTimingFunction=linear|ease|ease-in|ease-out|cubic-bezier(n,n,n,n)

Property Values

linear: animation has the same speed from start to end
ease(Default value): The animation has a slow start, then fast, ends slowly
ease-in: The animation has a slow start
ease-out: The animation has a slow end
ease-in-out: animation has both a slow start and a slow end
cubic-bezier(n,n,n,n): Define speend function in the cubic-bezier function. Possible values are numeric values from 0 to 1.

Technical Details

Default Value:	ease
Return Value:	A string representing the animation-timing-function property
CSS Version	CSS3

Example

The following code shows how to changing the animationTimingFunction property.


<!DOCTYPE html>
<html>
<head>
<style> 
div {<!-- w ww  . j av  a2s.  c o  m-->
    width: 100px;
    height: 100px;
    background: red;
    position: relative;
    animation: mymove 2s infinite;
    -webkit-animation: mymove 2s 1;  /* Chrome, Safari, Opera */
}

/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
    from {left: 0px;}
    to {left: 200px;}
}

@keyframes mymove {
    from {left: 0px;}
    to {left: 200px;}
}
</style>
</head>
<body>
<button onclick="myFunction()">test</button>

<script>
function myFunction() {
    document.getElementById("myDIV").style.WebkitAnimationTimingFunction = "linear";  // Code for Chrome, Safari, and Opera
    document.getElementById("myDIV").style.animationTimingFunction = "linear";
}
</script>

<div id="myDIV"></div>

</body>
</html>

The code above is rendered as follows: