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41 lines
1.2 KiB
Markdown
41 lines
1.2 KiB
Markdown
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# Overview
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Adds support for the `timers` module to browserify.
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## Wait, isn't it already supported in the browser?
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The public methods of the `timers` module are:
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* `setTimeout(callback, delay, [arg], [...])`
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* `clearTimeout(timeoutId)`
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* `setInterval(callback, delay, [arg], [...])`
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* `clearInterval(intervalId)`
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and indeed, browsers support these already.
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## So, why does this exist?
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The `timers` module also includes some private methods used in other built-in
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Node.js modules:
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* `enroll(item, delay)`
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* `unenroll(item)`
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* `active(item)`
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These are used to efficiently support a large quantity of timers with the same
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timeouts by creating only a few timers under the covers.
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Node.js also offers the `immediate` APIs, which aren't yet available cross-browser, so we polyfill those:
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* `setImmediate(callback, [arg], [...])`
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* `clearImmediate(immediateId)`
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## I need lots of timers and want to use linked list timers as Node.js does.
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Linked lists are efficient when you have thousands (millions?) of timers with the same delay.
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Take a look at [timers-browserify-full](https://www.npmjs.com/package/timers-browserify-full) in this case.
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# License
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[MIT](http://jryans.mit-license.org/)
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