JavaScript supports different kinds of loops: The for statement creates a loop with 3 optional expressions: Expression 1 is executed (one time) before the execution of the code block. Expression 2 defines the condition for executing the code block. Expression 3 is executed (every time) after the code block has been executed.

Apr 3, 2025 · The for statement creates a loop that consists of three optional expressions, enclosed in parentheses and separated by semicolons, followed by a statement (usually a block statement) to be executed in the loop.

Nov 19, 2024 · A for loop in JavaScript repeatedly executes a block of code as long as a specified condition is true. It includes initialization, condition checking, and iteration steps, making it efficient for controlled, repetitive tasks.

In JavaScript, the for loop is used for iterating over a block of code a certain number of times or over the elements of an array. In this tutorial, you will learn about the JavaScript for loop with the help of examples.

This tutorial shows you how to use the JavaScript for loop to create a loop that executes a block of code repeatedly in a specific number of times.

Loop (iterate over) an array to collect car names: The loop starts in position 0 (let i = 0). The loop automatically increments i for each run. The loop runs as long as i < cars.length. More examples below. The for statement defines a code block that is executed as long as a condition is true.

May 27, 2022 · The for loop is an iterative statement which you use to check for certain conditions and then repeatedly execute a block of code as long as those conditions are met. Flowchart for the for loop. The code block above is the standard syntax used by for loop. Let's look at each parameter to see what it means and what it does:

JavaScript For Loop - Learn how to use the for loop in JavaScript with examples and explanations. Master looping techniques to enhance your coding skills.

Dec 16, 2024 · In JavaScript, a for loop is used to iterate over an array, object, or a range of numbers, and perform an action for each iteration. 1. Basic For Loop. The basic for loop is the most common type of for loop in JavaScript. It consists of …

Oct 3, 2024 · The for loop is one of the most commonly used looping structures in JavaScript. It allows you to execute a block of code a specific number of times, based on a condition. It is typically used when you know beforehand how many times you need to iterate.