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The While Loop. The while loop loops through a block of code as long as a specified condition is true. Syntax
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.
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 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.
Description. The while statement creates a loop (araund a code block) that is executed while a condition is true. The loop runs while the condition is true. Otherwise it stops. See Also: The JavaScript while Tutorial. JavaScript Loop Statements. Syntax. while (condition) { code block to be executed. } Parameters. Note.
While loop is a control flow statement that is used to execute a block of code over and over again until the condition given is true. Condition is evaluated before execution enters the loop body. If the condition is true, the loop body is executed.
A while statement executes its statements as long as a specified condition evaluates to true. A while statement looks as follows: js. while (condition) statement. If the condition becomes false, statement within the loop stops executing and control passes to the statement following the loop.
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.
JavaScript includes while loop to execute code repeatedly till it satisfies a specified condition. Unlike for loop, while loop only requires condition expression. Syntax: while (condition expression) { /* code to be executed . till the specified condition is true */ . } Example: while loop. var i =0; while(i < 5) { console.log(i); i++; } Try it.
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. Syntax. while (condition) statement. condition. An expression evaluated before each pass through the loop. If this condition evaluates to true, statement is executed.