JavaScript Tutorial
JavaScript While Loop: Syntax, Uses & Examples
Table of Contents
- Introduction
- What is a While Loop in JavaScript?
- JavaScript While Loop Syntax
- Examples of JavaScript While Loop
- Important Subtopics About JavaScript While Loop
- Use Cases of JavaScript While Loop
- Best Practices for Using While Loop in JavaScript
FAQs About JavaScript While Loop
A while loop is used when the number of iterations is not known in advance. A for loop is preferred when the number of iterations is fixed.
Yes, a while loop can run infinitely if the condition never becomes false. Use break to exit such loops when required.
If the condition is false initially, the while loop will not execute even once.
Yes, but a for loop or forEach is usually more concise for arrays.
Add console.log statements inside the loop to check the values of variables and track iterations.