Loops are one key control flow structure of any programming language. JavaScript provides quite a few different ways to loop.
Join the AI Workshop to learn more about AI and how it can be applied to web development. Next cohort February 1st, 2026
The AI-first Web Development BOOTCAMP cohort starts February 24th, 2026. 10 weeks of intensive training and hands-on projects.
Loops are one of the fundamental concepts of any programming language.
Using a loop we can execute a piece of code multiple times to perform all kind of tasks.
From the basic loop that prints a number from 1 to 10, up to looping an array and printing its values in a JSX template, loops are invaluable and you use them all the time.
In this unit I’ll introduce how we can loop in JavaScript.
Lessons in this unit:
| 0: | ▶︎ Introduction |
| 1: | The `for` loop |
| 2: | The `do-while` loop |
| 3: | The `while` loop |
| 4: | The `for-of` loop |
| 5: | The `for-in` loop |
| 6: | Other kinds of loops |