JavaScript has two methods for running the same code several times. It is mainly used for iterating over arrays or objects. Let's see an example: vari;for(i=0;i<3;i=i+1){console.log(i);}// This will print out the following: 0 1 2/*We can also write a shorter notation for t...
Example while(i <10) { text +="The number is "+ i; i++; } Try it Yourself » If you forget to increase the variable used in the condition, the loop will never end. This will crash your browser. The Do While Loop Thedo whileloop is a variant of the while loop. This loop ...
If the condition evaluates to false, the loop stops. Flowchart of while Loop Flowchart of JavaScript while loop Example 1: Display Numbers From 1 to 3 // initialize variable i let i = 1; // loop runs until i is less than 4 while (i < 4) { console.log(i); i += 1; } Run ...
JavaScript 只要指定条件为 true,循环就可以一直执行代码块。 while 循环 while 循环会在指定条件为真时循环执行代码块。 语法 while (条件) { 需要执行的代码 } 实例 本例中的循环将继续运行,只要变量 i 小于 5: 实例 while(i<5){x=x+"The number is"+i+"";i++;} 尝试一下 » 如果您忘记增加条件...
JavaScript do while statement : Example-1 JavaScript : do while statement The do while loop calculate the sum of even numbers between 0 to 10. Output will be displayed here. JS Code var x = 1; var y = 0; var z = 0; document.getElementById...
只要指定条件为 true,循环就可以一直执行代码。 while 循环 While 循环会在指定条件为真时循环执行代码块。 语法 while (条件) { 需要执行的代码 } 实例 本例中的循环将继续运行,只要变量 i 小于 5: while (i<5) { x=x + "The number is " + i + ""; i++;...
JavaScript while 循环 只要指定条件为 true,循环就可以一直执行代码块。while 循环while 循环会在指定条件为真时循环执行代码块。语法while (条件) { 需要执行的代码 }实例本例中的循环将继续运行,只要变量 i 小于 5:实例 while (i<5) { x=x + "The number is " + i + ""; i++; } 尝试一下 »...
Example 1: Display Numbers from 1 to 5 // C++ Program to print numbers from 1 to 5#include<iostream>usingnamespacestd;intmain(){inti =1;// while loop from 1 to 5while(i <=5) {cout<< i <<" "; ++i; }return0; } Run Code ...
The while loop loops through a block of code as long as a specified condition is true:SyntaxGet your own Java Server while (condition) { // code block to be executed } In the example below, the code in the loop will run, over and over again, as long as a variable (i) is less ...
代码语言:javascript 复制 publicclassWhileLoopExample{publicstaticvoidmain(String[]args){int num=1;// 定义初始值while(num<=5){// 设置循环条件System.out.println(num);// 打印当前数字num++;// 更新条件表达式的值}}} 在上述代码中,我们首先定义了一个整数变量 ...