Hello World - In Javascript

Written by: Joseph Sardella

Sun Nov 05 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
featured, tutorials, web development, javascript,posts,Programming
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Creating a "Hello, World!" Program in JavaScript: A Beginner's Guide

Hello and welcome to this beginner's tutorial on JavaScript! If you're new to programming or just new to JavaScript, you're in the right place. In this tutorial, we'll walk you through creating your very first JavaScript program: the classic "Hello, World!".

JavaScript is one of the most popular and widely used programming languages today, especially in web development. With JavaScript, you can build interactive websites, mobile apps, desktop applications, and much more. But for now, let's start with the basics.

What you'll need:

  • Web Browser: e.g., Google Chrome, Firefox, Safari
  • Text Editor: e.g., Notepad for Windows, TextEdit for Mac, or any code editor of your choice

Let's get started!

1. Create a New HTML File

Open your text editor and create a new file. Save this file as hello.html. This file will serve as our webpage where we'll run our JavaScript code.

2. Set Up the Basic HTML Structure

Before we write our JavaScript code, let's set up a basic HTML structure. Use the following code:

```html Hello, World! in JavaScript ```

3. Add JavaScript to Your Page

There are multiple ways to add JavaScript to your webpage. For this tutorial, we'll use the <script> tag:

```html ```

4. Write the "Hello, World!" Program

Within the <script> tags, type the following JavaScript:



javascript
alert('Hello, World!');


5. Run Your Program

Open your hello.html file with any web browser. A popup alert box displaying the message "Hello, World!" should appear.

Wrapping Up

This simple "Hello, World!" program is a traditional introduction to a new programming language. It's a foundational step in your JavaScript journey. As you continue, you'll unlock the vast capabilities of JavaScript. Happy coding!