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Merge pull request #1313 from paroche/patch-14

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Update task.md
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Ilya Kantor 2019-09-03 13:22:29 +03:00 • committed by GitHub
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1-js/06-advanced-functions/09-call-apply-decorators/03-debounce/task.md
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@ -6,7 +6,7 @@ importance: 5
The result of `debounce(f, ms)` decorator should be a wrapper that passes the call to `f` at maximum once per `ms` milliseconds. The result of `debounce(f, ms)` decorator should be a wrapper that passes the call to `f` at maximum once per `ms` milliseconds.
In other words, when we call a "debounced" function, it guarantees that all other future in the closest `ms` milliseconds will be ignored. In other words, when we call a "debounced" function, it guarantees that all future calls to the function made less than `ms` milliseconds after the previous call will be ignored.
For instance: For instance:
@ -21,4 +21,4 @@ setTimeout( () => f(4), 1100); // runs
setTimeout( () => f(5), 1500); // ignored (less than 1000 ms from the last run) setTimeout( () => f(5), 1500); // ignored (less than 1000 ms from the last run)
``` ```
In practice `debounce` is useful for functions that retrieve/update something when we know that nothing new can be done in such a short period of time, so it's better not to waste resources. In practice `debounce` is useful for functions that retrieve/update something when we know that nothing new can be done in such a short period of time, so it's better not to waste resources.