Mastering JavaScript High Performance by 2015

Author:2015
Language: eng
Format: epub, mobi
Publisher: Packt Publishing

Closing the loop

Lastly, as we can see in this callback method example, it's usually not a great idea to use large hundred thousand scaled loops for performance reasons. Always look for better and more efficient ways to break up large loops and call other functions to help balance out the workload.

Also, I encourage you to check out JavaScript promises, an EcmaScript 6 feature. While not quite ready for discussion yet in this book, as at the time of writing, promises are still experimental. I encourage you, dear reader, to follow up and learn about what will be a successor to callbacks in JavaScript when it's finalized. You can learn more about promises on Mozilla's Developer Network site at https://developer.mozilla.org/en-US/.

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