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; i++; } Try it Yourself » If you forget to increase the variable used in the condition, the loop...
JS Array Methods JavaScript: While LoopThis JavaScript tutorial explains how to use the while loop with syntax and examples.Description In JavaScript, the while loop is a basic control statement that allows you to perform a repetitive action. You use a while loop when you are not sure how man...
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 example defines the while loop that starts with i=0. The loop will continue to run as long as i is less than, or equal to 10. The value of i will increase by 1 each time the loop runs. You can try this example online at the link below, which will open in a new window. ...
JS For JS Break 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++; } 亲自试一试...
If the condition istrue, the loop will return tostep 1. 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. ...
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.
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