Jun 9, 2014 · Look into how to use window.setTimeout() where the body of your do loop becomes the body of the callback function AND a trailing call to window.setTimeout() passing the callback again with a delay of 1000/your-chosen-framerate milliseconds. Then you can also process keypress events in their own handlers for intentional movement.

The do...while statements combo defines a code block to be executed once, and repeated as long as a condition is true. The do...while is used when you want to run a code block at least one time.

Jul 1, 2021 · I made a while loop that displays pictures and i want the user to be able to zoom in each of the pictures but it only works for the first image The img is in the while loop and the script is on the end of my code outside the while loop. $("#zoom").elevateZoom({scrollZoom : true}); . …

May 7, 2013 · while (true) is going to loop forever synchronously. What you want is to continually change images every 3 seconds (asynchronously). Try this: document.getElementById("img").src = images[x]; x = (x + 1) % images.length; timeoutId = setTimeout(changeImage, 3000);

The do while loop is a variant of the while loop. This loop will execute the code block once, before checking if the condition is true, then it will repeat the loop as long as the condition is true. The example below uses a do while loop.

Mar 13, 2025 · The do...while statement creates a loop that executes a specified statement as long as the test condition evaluates to true. The condition is evaluated after executing the statement, resulting in the specified statement executing at least once.

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.

Here's what a while loop looks like in its simplest form: while (condition) { // code to be executed } Let's break this down: The while keyword tells JavaScript that we want to start a while loop. The condition is a boolean expression that's evaluated before each iteration of the loop.

Do-While Loop. Syntax of do-while loop The do-while loop is similar to the while loop, except that the code block is executed at least once, regardless of whether the condition is true or false. The syntax for a do-while loop is as follows: do { // code to be executed } while (condition);

Apr 15, 2025 · Learn JavaScript while and do...while loops with examples! Understand how these control structures work to execute code repeatedly in this tutorial.