Does CSS `animation-delay` Affect All Iterations of a Repeated Animation?

CSS Animation Delay Issue in Repeated Animations

Context:

Creating CSS animations can be a powerful tool for adding visual effects to web pages. However, setting the animation-delay property to delay the start of an animation can lead to unexpected behavior when the animation is set to repeat infinitely.

Question:

Is it possible to ensure that the animation-delay property applies to all iterations of a repeated CSS animation, rather than just the first iteration?

Answer:

No, the animation-delay property cannot be applied to all iterations of a repeated CSS animation. Once the initial delay has been applied to the first iteration, subsequent iterations will start immediately, even if an animation-delay is specified.

Workaround:

A common workaround is to create a new keyframe at an arbitrary percentage (such as 80%) that is identical to the initial keyframe. This effectively creates a delay by padding the animation with a non-visible period of time. However, this approach can result in longer animations if the delay is desired.

Another approach is to use multiple keyframes with different durations to create the desired delay. For example, to achieve a 4-second delay followed by a 1-second animation, one could use the following keyframes:

@keyframes my-animation {
  0% { ... }
  80% { ... }
  90% { ... }
  100% { ... }
}

Setting the animation-duration to 5 seconds would result in a 4-second delay before the animation begins.

Limitation:

It's worth noting that the animation-delay property applies to the entire animation, including all iterations. Therefore, if you need varying delays for different elements using the same animation, you will have to use alternative approaches, such as creating separate animations with different delays.

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