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The do...while statements combo defines a code block to be executed once, and repeated as long as a condition is true. The do...while is used when you want to run a code block at least one time.
- JavaScript Tutorial
1. HTML to define the content of web pages. 2. CSS to...
- JavaScript Tutorial
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.
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; i++; } Try it Yourself »
The do...while loop statement creates a loop that executes a block until a condition evaluates to false. The following statement illustrates the syntax of the do...while loop: do { statement; } while (expression); Code language: JavaScript (javascript) Unlike the while loop, the do-while loop always executes the statement at least once before ...
9 mar 2024 · There are mainly four types of loops in JavaScript. for loop; for/in a loop (explained later) while loop; do…while loop; for loop. Syntax: for(statement1; statement2; statment3) { lines of code to be executed } The statement1 is executed first even before executing the looping code.
1. HTML to define the content of web pages. 2. CSS to specify the layout of web pages. 3. JavaScript to program the behavior of web pages. This tutorial covers every version of JavaScript: The Original JavaScript ES1 ES2 ES3 (1997-1999) The First Main Revision ES5 (2009) The Second Revision ES6 (2015)
JavaScript Beginner Tutorial. As with the HTML Beginner Tutorial and CSS Beginner Tutorial, the JavaScript Beginner Tutorial assumes that you know zip all about JavaScript. The purpose of this guide is to teach the bare essentials — just enough to get started.
