JavaScript Tutorial
JavaScript do...while Loop: Syntax, Uses, Examples
Table of Contents
- Introduction
- What is a do...while Loop in JavaScript?
- Syntax of JavaScript do...while Loop
- Examples of JavaScript do...while Loop
- Use Cases of JavaScript do...while Loop
- Best Practices for Using do...while Loop in JavaScript
FAQs About JavaScript do...while Loop
A while loop checks the condition before executing the code block, while a do...while loop executes the code block at least once before checking the condition.
Yes, if the condition always evaluates to true, the loop will run indefinitely. Use a break statement or ensure the condition eventually becomes false to prevent infinite loops.
Use a do...while loop when you need to guarantee at least one execution of the code block, such as for input validation or initializing processes.
Yes, the while statement must end with a semicolon (;) in a do...while loop.
Yes, but other loops like for or forEach are usually more concise for iterating over arrays.
