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.

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.

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.

Feb 25, 2025 · The execution flowchart for the do-while loop in JavaScript is as shown in the below figure. From the do-while loop flowchart, it is clear that the loop body executes first, and then the loop conditional expression evaluates to determine whether to continue or end the loop.

Mar 17, 2023 · The flowchart here explains the complete working of do while loop in JavaScript. The do while loop works similar to while loop, where there are a set of conditions that are to be executed until a condition is satisfied.

Nov 7, 2023 · For better understanding look at the flowchart of a for loop: Let’s use a basic example to demonstrate what each of these statements does. In the above example, we initialized the for loop with let i = 0, which begins the loop at 0. We set the condition to be i < 4, meaning that as long as i evaluates as less than 4, the loop will continue to run.

Jan 1, 2021 · JavaScript do…while Loop. The syntax of do…while loop is: do { // body of loop } while(condition) Here, The body of the loop is executed at first. Then the condition is evaluated. 2. If the condition evaluates to true, the body of the loop inside the do statement is executed again. 3. The condition is evaluated once again. 4.

Jun 10, 2022 · JavaScript do while loop; In this tutorial, you will learn javaScript do while loop with help of syntax, flowchart and examples. The JavaScript do-while loop is also known as an exit control loop. The JavaScript do-while is test specified condition after executing a block of code. If the condition met false, at least once execute the block of code.

do while statement in javascript (do while loop) In do while, the statements are executed first and then the condition is checked.

Mar 3, 2022 · 4 Level Nested Do while Loop in Javascript. This program is in javascript using 4 levels nested do while loop to solve a program. It contains 4 loops one inside another and the most inner loop has code to print. A nested loop is a loop within a loop, an inner loop within the body of an outer one.