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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.
Introduction to the JavaScript do…while statement. The do...while loop statement creates a loop that executes a block until a condition evaluates to false. The following statement illustrates the syntax of the do...while loop: do { statement; } while (expression); Code language: JavaScript (javascript)
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. Syntax. do { // code block to be executed. } while (condition); Example. The example below uses a do while loop.
26 sie 2021 · In JavaScript, a while statement is a loop that executes as long as the specified condition evaluates to true. The syntax is very similar to an if statement, as seen below. while (condition) { // execute code as long as condition is true } The while statement is the most basic loop to construct in JavaScript.
1 maj 2024 · 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 statement creates a loop that executes a block as long as a condition evaluates to true. The following illustrates the syntax of the while statement: while (expression) { // statement} Code language: JavaScript (javascript) The while statement evaluates the expression before each iteration of the loop. If the expression ...
