Web/API/EffectTiming/delay

This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.

The EffectTiming dictionary's delay property in the Web Animations API represents the number of milliseconds to delay the start of the animation.

Element.animate(), KeyframeEffectReadOnly(), and KeyframeEffect() all accept an object of timing properties including delay. The value of delay corresponds directly to EffectTiming.delay in timing objects returned by AnimationEffectReadOnly, KeyframeEffectReadOnly, and KeyframeEffect.

Syntax

var timingProperties = {
  delay: delayInMilliseconds
};

timingProperties.delay = delayInMilliseconds;

Value

A number specifying the delay, in milliseconds, from the start of the animation's play cycle to the beginning of its active interval (the time index at which actual animation begins). Defaults to 0.

Examples

In the Pool of Tears example, each tear is passed a random delay via its timing object:

// Randomizer function
var getRandomMsRange = function(min, max) {
  return Math.random() * (max - min) + min;
}

// Loop through each tear
tears.forEach(function(el) {  

  // Animate each tear
  el.animate(
    tearsFalling, 
    {
      delay: getRandomMsRange(-1000, 1000), // randomized for each tear
      duration: getRandomMsRange(2000, 6000), // randomized for each tear
      iterations: Infinity,
      easing: "cubic-bezier(0.6, 0.04, 0.98, 0.335)"
    });
});

Specifications

Specification	Status	Comment
Web AnimationsThe definition of 'delay' in that specification.	Working Draft	Editor's draft.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`delay` Experimental'	Chrome Full support 52	Edge Full support ≤79	Firefox Full support 63	IE No support No	Opera Full support Yes	Safari No support No	WebView Android Full support 52	Chrome Android Full support 52	Firefox Android Full support 63	Opera Android No support No	Safari iOS No support No	Samsung Internet Android Full support 6.0

Legend

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.': Experimental. Expect behavior to change in the future.