This JavaScript tutorial explains how to use the do-while loop with syntax and examples. In JavaScript, you use a do-while loop when you are not sure how many times you will execute the loop body and the loop body needs to execute at least once (as the c
The generic syntax of the do-while loop is:do { // Code to be executed } while(condition); The JavaScript code in the following example defines a loop that starts with i=1. It will then print the output and increase the value of variable i by 1. After that the condition is ...
The JavaScript While Loop Tutorial Syntax do{ code block to be executed } while(condition); Parameters ParameterDescription conditionRequired. The condition for running the code block. Iftrue, the loop will start over again, otherwise it ends. ...
JavaScript also includes another version of for loop, also known as thefor..in Loops. The for..in loop provides a more straightforward way to iterate through the properties of an object. The for...in loop will execute for all the elements in the object, and its syntax will look like be...
Here is the basic syntax for while loop in JavaScript. while ( expression ) { statements; } Note that here the expression is checked or evaluated before starting of the loop so if the condition returned is FALSE then the loop will never be executed. ...
Alternatively, if the while condition isfalse, the loop will terminate. Example of the do while Loops in JavaScript Now that we know the syntax of the do while loop, let us explore some examples of using it in JavaScript. Both of these examples will be reasonably similar but will show dif...
In JavaScript do while loop executes a statement block once and then repeats the execution until a specified condition evaluates to false. Syntax do { statement block } while (condition); In while loop, the given condition is tested at the beginning, i.e. before executing any of the statemen...
JavaScript while Loop The while loop repeatedly executes a block of code as long as a specified condition is true. The syntax of the while loop is: while (condition) { // body of loop } Here, The while loop first evaluates the condition inside ( ). If the condition evaluates to true,...
The do keyword is used to create a do...while loop in JavaScript. This loop executes a block of code first, then checks the condition. Unlike regular while loops, do...while guarantees at least one execution. The syntax consists of the do keyword followed by a code block in curly ...
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); ...