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 ...
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: ...
Basic do...while loopThe following example demonstrates the basic usage of the do keyword in a do...while loop. main.js let i = 0; do { console.log(i); i++; } while (i < 5); This loop will execute the code block first, then check if i is less than 5. It continues ...
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. ...
For example, the factorial of 3 is 3 * 2 * 1 = 6. Return the factorial of the input number num. 1 2 3 function calculateFactorial(num) { } Check Code Video: JavaScript while Loop Previous Tutorial: JS for Loop Next Tutorial: JS break Share on: Did you find this article he...
In the following example, while loop calculates the sum of the integers from 0 to 9 and after completing the loop, else statement executes. x = 0; s = 0 while (x < 10): s = s + x x = x + 1 else : print('The sum of first 9 integers : ',s) Copy...
JavaScript do...while Loop ❮PreviousJavaScriptStatementsNext❯ Example Execute a code block once, an then continue if condition (i < 5) is true: lettext =""; leti =0; do{ text += i +""; i++; } while(i <5); Try it Yourself » Description...
while loop Flowchart Syntax while(test condition){ //code to be executed } If the test condition inside the () becomes true, the body of the loop executes else loop terminates without execution. The process repeats until the test condition becomes false. Example: while loop in C // ...
问while循环为世界之旅创建数组EN你想要的是访问所有的城市，从一开始直到你覆盖了所有的城市，同时拥有...
Live Example Later on in this page, once we discover the while loop, we'll extend this code to keep repeating the input prompt as long as the entered value is not valid. As we shall see later on in the JavaScript Conditionals chapter, and even in general throughout this course, tons ...