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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 ...
Syntax. while (condition) { // code block to be executed. } Example. In the following example, the code in the loop will run, over and over again, as long as a variable (i) is less than 10: Example. while (i < 10) { text += "The number is " + i; i++; } Try it Yourself »
While loop syntax. The syntax of the while loop is as follows: while (condition) { // body of the loop } The while keyword is followed by a condition. The condition is enclosed in parenthesis. A condition can be anything boolean, number, expression, etc, but must be evaluated to true or false. The body is enclosed in curly braces. Flow diagram
JavaScript do...while Loop. The do...while loop executes a block of code once, then repeatedly executes it as long as the specified condition is true. The syntax of the do...while loop is: do { // body of loop } while(condition);
1 maj 2024 · 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. Try it. Syntax. js. while (condition) . statement. condition. An expression evaluated before each pass through the loop.
16 sty 2021 · The while statement will help you to execute a piece of code repeatedly until you achieve the desired condition. Learn its syntax and use cases in this tutorial.
15 kwi 2024 · Introduction to while Loops in Javascript; Syntax and Structure of while Loops; Understanding the Flow of Control in while Loops; Practical Examples of while Loops; Common Mistakes and How to Avoid Them in while Loops; Infinite while Loops and How to Break Them; Comparison of while Loops with other Loop Statements; Best Practices in Using while ...
