How Can I Use jQuery to Detect the End of CSS3 Transitions and Animations?

Using jQuery to Detect the End of CSS3 Transitions and Animations

Executing actions upon the completion of CSS transitions and animations often arises during web development. To achieve this with jQuery, one must employ different approaches for these two animation types.

Handling Transitions:

For transitions, jQuery offers a convenient listener that detects the conclusion of a transition:

$("#someSelector").bind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd", function(){ ... });

Handling Animations:

Similarly, for animations, a similar listener exists:

$("#someSelector").bind("animationend webkitAnimationEnd oAnimationEnd MSAnimationEnd", function(){ ... });

To support all compatible browsers, all browser-prefixed event strings can be passed to the bind() method simultaneously.

One-Time Event Firing:

To ensure the handler fires only once, Duck suggests using jQuery's .one() method:

$("#someSelector").one("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd", function(){ ... });

$("#someSelector").one("animationend webkitAnimationEnd oAnimationEnd MSAnimationEnd", function(){ ... });

Using Modern jQuery Events:

It's important to note that bind() has been deprecated in jQuery 1.7. The preferred method is on(), and to ensure the callback function fires only once, use off().

$("#someSelector")
.on("animationend webkitAnimationEnd oAnimationEnd MSAnimationEnd",
 function(e){
    // do something here
    $(this).off(e);
 });

By understanding these methods, developers can effectively execute actions when CSS3 transitions and animations complete, allowing for more responsive and immersive web experiences.

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