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The actual intended interval is 2 seconds not 5 seconds.
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Violet.Lee 2019-07-31 03:57:37 +09:00 • committed by GitHub
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1-js/06-advanced-functions/08-settimeout-setinterval/article.md
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@ -129,7 +129,7 @@ setTimeout(() => { clearInterval(timerId); alert('stop'); }, 5000);
```smart header="Time goes on while `alert` is shown" ```smart header="Time goes on while `alert` is shown"
In most browsers, including Chrome and Firefox the internal timer continues "ticking" while showing `alert/confirm/prompt`. In most browsers, including Chrome and Firefox the internal timer continues "ticking" while showing `alert/confirm/prompt`.
So if you run the code above and don't dismiss the `alert` window for some time, then in the next `alert` will be shown immediately as you do it. The actual interval between alerts will be shorter than 5 seconds. So if you run the code above and don't dismiss the `alert` window for some time, then in the next `alert` will be shown immediately as you do it. The actual interval between alerts will be shorter than 2 seconds.
``` ```
## Recursive setTimeout ## Recursive setTimeout