The While Loop Thewhileloop loops through a block of code as long as a specified condition is 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 th...
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.
it performs the commands inside the loop. In the script above, the variablecountis created and assigned an initial value of 1. Thewhilecommand evaluates theexit status of thetestcommand. As long as thetestcommand returns an exit statusof zero, the commands within the loop are ...
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. ...
In this article we show how to use the do keyword to create do...while loops in JavaScript. The do...while loop executes a block of code at least once before checking the condition. The do keywordThe do keyword is used to create a do...while loop in JavaScript. This loop executes ...
[cci]–times[/cci] runs the while loop while times is greater than zero. For instance, if times was 75, you can see that the while loop runs for the numbers 74 to 1, inclusive. Try it out in the JSFiddle. [cc] do_something(); [/cc] [cci]do_something();[/cci] runs the fu...
f='Find a phone number'q='Quit'phone_dict={}whileTrue:# Gets the user command every 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 Code Output 1 2 3 Here is how the above program works in each iteration ...
JavaScript Loop Statements StatementDescription breakBreaks out of a loop continueSkips a value in a loop whileLoops a code block while a condition is true do...whileLoops a code block once, and then while a condition is true forLoops a code block while a condition is true ...
The switch conditional The for loop The while loop Introduction Perhaps, one of the most paramount aspects of modern-day programming is that of control flow. This chapter is devoted briefly exploring the different kinds of control flow constructs in JavaScript. But before that, let's quickly unde...