JS While LoopWhile loop will execute a code block if the statement is true. 1 2 3 4 5 6 7 8 var i=0; var sum=0; while (i < 10) { sum += i; i++; } alert(sum); //55 Do while loop will execute the code block one time before check whether the statement is true. ...
Example: do-while loop Copy var i = 0; do{ alert(i); i++; } while(i > 1) Try it Output: 0 Points to Remember : JavaScript while loop & do-while loop execute the code block repeatedly till conditional expression returns true. do-while loop executes the code at least once even ...
JavaScript while Loop 在本教程中,您将学习如何使用 JavaScript while 语句创建一个循环,只要条件满足,循环就会执行指定的声明。 JavaScript while 循环语句介绍 while只要条件的计算结果为true,JavaScript 语句就会创建一个循环来执行指定语句。 下面说明while语句的语法: while (expression) { // 声明 } while语句在每...
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This JavaScript tutorial explains how to use the while loop with syntax and examples. In JavaScript, you use a while loop when you are not sure how many times you will execute the loop body and the loop body may not execute even once.
JavaScript Basics Basic Loops While loops are conditional loops where a condition is checked at the starting of the loop and if the condition is true then the statements inside the loop is executed. So the changes required in condition has to be inside the statement, otherwise the loop may...
In JavaScript (and most other languages), "loops" enable your program to continuously execute a block of code for a given number of times, or while a given condition is true.The JavaScript While loop executes code while a condition is true....
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
In JavaScript while loop is simple, it executes its statments repeatedly as long as the condtion is true. The condtion is checked every time at the begining of the loop.
How to write Do-While Loop in JavaScript? What are the loops in programming languages? Loopsare one of the most fundamental concepts available in allprogramming languages. The loop will execute the set of code repeatedly until the given condition is satisfied. Loop will ask a question; if the...