Example. The example below uses a do while loop. The loop will always be executed at least once, even if the condition is false, because the code block is executed before the condition is tested:

This tutorial shows how to use the JavaScript while loop statement to create a loop that executes a block as long as a condition is true.

The while statement creates a loop (araund a code block) that is executed while a condition is true. The loop runs while the condition is true. Otherwise it stops.

The JavaScript while and do…while loops repeatedly execute a block of code as long as a specified condition is true. In this tutorial, you will learn about the JavaScript while and do…while loops with examples.

Mar 13, 2025 · The while statement creates a loop that executes a specified statement as long as the test condition evaluates to true. The condition is evaluated before executing the statement.

Nov 19, 2024 · The while loop executes a block of code as long as a specified condition is true. In JavaScript, this loop evaluates the condition before each iteration and continues running as long as the condition remains true. Here’s an example that prints from 1 to 5.

Jun 19, 2022 · Any expression or variable can be a loop condition, not just comparisons: the condition is evaluated and converted to a boolean by while. For instance, a shorter way to write while (i != 0) is while (i): If the loop body has a single statement, we can omit the curly braces {…}:

Jul 19, 2024 · In this blog post, we will dive deep into practical exercises that utilize while loops in JavaScript. Each exercise will be accompanied by a detailed explanation and a code snippet to help...

In this tutorial, we'll cover everything you need to know about JavaScript's while loop, from its syntax to practical use cases, best practices, and more. What is a While Loop in JavaScript? A while loop is a control flow statement that allows you to repeatedly execute a block of code as long as a specified condition evaluates to true.

JavaScript includes while loop to execute code repeatedly till it satisfies a specified condition. Unlike for loop, while loop only requires condition expression. Syntax: