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<!DOCTYPE html>
<title>Various test cases producing infinite active duration</title>
<link rel="help" href="https://drafts.csswg.org/css-animations-1/#animation-iteration-count" />
<script>
let effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, delay: -17592186044416, iterations: Infinity });
effect.getComputedTiming();
// Infinity delay + Infinity active duration
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, delay: Number.MAX_VALUE, iterations: Infinity });
effect.getComputedTiming();
// Infinity end delay + Infinity active duration
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, endDelay: Number.MAX_VALUE, iterations: Infinity });
effect.getComputedTiming();
// Infinity delay + Infinity active duration + Infinity end delay
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1,
delay: Number.MAX_VALUE, endDelay: Number.MAX_VALUE,
iterations: Infinity });
effect.getComputedTiming();
// -Infinity delay + Infinity active duration
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, delay: -Number.MAX_VALUE, iterations: Infinity });
effect.getComputedTiming();
// -Infinity end delay + Infinity active duration
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, endDelay: -Number.MAX_VALUE, iterations: Infinity });
effect.getComputedTiming();
// -Infinity delay + Infinity active duration + -Infinity end delay
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1,
delay: -Number.MAX_VALUE, endDelay: -Number.MAX_VALUE,
iterations: Infinity });
effect.getComputedTiming();
// -Infinity delay + finite active duration
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, delay: -Number.MAX_VALUE, iterations: 1 });
effect.getComputedTiming();
// -Infinity end delay + finite active duration
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, endDelay: -Number.MAX_VALUE, iterations: 1 });
effect.getComputedTiming();
// very large iterations
effect = new KeyframeEffect(null,
{ opacity: [0, 1] },
{ duration: 1, delay: 281474976710655, iterations: 18014398509481984 });
effect.getComputedTiming();
</script>
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