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,...
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; ...
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 ...
for loop while loop do...while loop In the previous tutorial, we learned about for loop. In this tutorial, we will learn about while and do..while loop. while loop The syntax of the while loop is: while (testExpression) { // the body of the loop } How while loop works? The whil...
While-loop是一种常见的编程语言结构,用于重复执行一段代码,直到指定的条件不再满足为止。它的语法通常由一个循环条件和一个代码块组成。 循环条件是一个布尔表达式,用于判断是否继续执行循环。如果循环条件为真(true),则代码块会被执行;如果循环条件为假(false),则循环结束,程序会继续执行循环之后的代码。 以下是一...
In JavaScript the while loop is simple, it executes its statements repeatedly as long as the condition is true. The condition is checked every time at the beginning of the loop.Syntaxwhile (condition) { statements }Pictorial Presentation:Example: ...
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. ...
Here's the syntax of for: for (initialization; condition; modification) statement; initialization, condition and modification correspond to the three steps of defining a for loop, as stated above: initialization defines variable declarations and assignments. condition is an expression that must evaluate...
The basic loop structure in Python is while loop. Here is the syntax.Syntax:while (expression) : statement_1 statement_2 ...The while loop runs as long as the expression (condition) evaluates to True and execute the program block. The condition is checked every time at the beginning of...
The syntax of thewhilecommand is: while 命令的语法是: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 whilecommands;docommands;done Likeif,whileevaluates the exit status of a list of commands. As long as the exit statusis zero, it performs the commands inside the loop. In the script ab...