6 lines
323 B
Markdown
6 lines
323 B
Markdown
### Event loop
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The event loop handles all asynchronous callbacks.
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Callbacks are queued in a loop, while other code runs, and will run one by one when the response for each one has been received.
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The event loop allows JavaScript to perform non-blocking I/O operations, despite the fact that JavaScript is single-threaded.
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