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JavaScript Daily Tips #22: The Magic of JavaScript Generators

Mariosdev
5 min readAug 12, 2024

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Welcome back to another exciting edition of our “JavaScript Daily Tips” series! Today, we are diving into one of the more intriguing and powerful features of JavaScript: generators. If you’ve ever wondered how to create functions that can pause and resume their execution, or how to handle asynchronous flows more elegantly, then generators are your answer. By the end of this article, you’ll understand the magic behind JavaScript generators and how to harness their power in your own code.

What Are JavaScript Generators?

Generators are a special type of function in JavaScript that can be paused and resumed, allowing you to produce a sequence of values over time, rather than computing them all at once and sending them back in an array. This makes generators particularly useful for handling large datasets or creating more readable asynchronous code.

Key Features of Generators

  • Pause and Resume: Unlike regular functions, generators can pause their execution at any point and resume from where they left off.
  • Yielding Values: Generators use the yield keyword to produce a value and pause execution.
  • Iterator Interface: Generators conform to the iterator protocol, making them compatible…

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Mariosdev

Just a Full stack Developer with passion to teach others on how to create theirs websites and apps. Also love motorcycle. Feel free to join me in this journey!