JavaScript onanimationiteration Event
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JavaScript onanimationiteration Event
The onanimationiteration event occurs when an iteration of a CSS Animation ends, and another one begins.
Note: This event does not occur at the same time as the animationend event, and therefore does not occur for animations with an animation-iteration-count of one.
onanimationiteration Event as Attribute
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<head>
<style>
h2 {
color: blue;
-webkit-animation: myMultiColor 1s infinite;
animation: myMultiColor 1s infinite;
}
/* Safari 4.0 - 8.0 */
@-webkit-keyframes myMultiColor {
from {color: blue;}
to {color: green;}
}
/* Standard syntax */
@keyframes myMultiColor {
from {color: blue;}
to {color: green;}
}
</style>
</head>
<body>
<h2 onanimationiteration="myFunction()">Animation is Awesome</h2>
<p id="point"></p>
<script>
var count = 0;
function myFunction() {
count += 1;
var txt = "Iteration Count: "+count;
document.getElementById("point").innerHTML = txt;
}
</script>
</body>
</html>
Syntax
As Attribute
<element onanimationiteration = "JavaScript">
As Property
window.onanimationiteration = function(){
// code
};
Using Event Listener
object.addEventListener("animationiteration" , myScript);
onanimationiteration Event as Property
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<head>
<style>
h2 {
color: blue;
-webkit-animation: myMultiColor 1s infinite;
animation: myMultiColor 1s infinite;
}
/* Safari 4.0 - 8.0 */
@-webkit-keyframes myMultiColor {
from {color: blue;}
to {color: green;}
}
/* Standard syntax */
@keyframes myMultiColor {
from {color: blue;}
to {color: green;}
}
</style>
</head>
<body>
<h2>Animation is Awesome</h2>
<p id="point"></p>
<script>
var count = 0;
var x = document.getElementsByTagName("h2")[0];
function myFunction() {
count +=1;
var txt = "Iteration Count: "+count;
document.getElementById("point").innerHTML = txt;
}
window.onanimationiteration = myFunction;
</script>
</body>
</html>
Using addEventListener() Method
Note: The addEventListener() method is not supported in Internet Explorer 8 and below.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<head>
<style>
h2 {
color: blue;
-webkit-animation: myMultiColor 1s infinite;
animation: myMultiColor 1s infinite;
}
/* Safari 4.0 - 8.0 */
@-webkit-keyframes myMultiColor {
from {color: blue;}
to {color: green;}
}
/* Standard syntax */
@keyframes myMultiColor {
from {color: blue;}
to {color: green;}
}
</style>
</head>
<body>
<h2>Animation is Awesome</h2>
<p id="point"></p>
<script>
var count = 0;
var x = document.getElementsByTagName("h2")[0];
function myFunction() {
count += 1;
var txt = "Iteration Count: "+count;
document.getElementById("point").innerHTML = txt;
}
x.addEventListener("animationiteration", myFunction);
</script>
</body>
</html>
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