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Create a Live Code Editor with HTML, CSS, and JavaScript | Build an Online Code Editor Similar to w3schools | 2024
Introduction
In this tutorial, we will be creating a live web editor. This is a web application that allows you to write HTML, CSS, and JavaScript code and see the results in real time. This is a great tool for learning web development and for testing out code snippets. We will be using the iframe element to display the results. The iframe element is used to embed another document within the current HTML document. The src attribute of the iframe element specifies the URL of the document to embed.
What is a Web Editor?
A web editor is a web-based application designed for writing and editing code in languages such as HTML, CSS, and JavaScript, with the ability to instantly preview the results. Its primary functions include facilitating fast prototyping, simplifying code testing, and providing a platform for learning web development. Users can input code directly into the editor, make real-time modifications, and visualize the effects immediately, streamlining the development process. Whether for professional web development projects, quick experimentation, or educational purposes, web editors offer a user-friendly interface and essential features tailored to the needs of developers and learners alike. With the convenience of web accessibility and instantaneous feedback, web editors play a crucial role in empowering individuals to create, experiment, and refine their code with efficiency and ease
What is a Live Web Editor?
A live web editor is a web editor that displays the results of the code in real time.
Prerequisites
Before you begin this tutorial, you should have a basic understanding of HTML, CSS, and JavaScript. You should also have a basic understanding of the DOM and how to select elements using JavaScript. Finally, you should have a basic understanding of the iframe element.
Software you will need:
A code editor (Visual Studio Code, Sublime Text, Atom, etc.)
A web browser (Google Chrome, Mozilla Firefox, Microsoft Edge, etc.)
A browser extension for live preview (Live Server, Live Preview, etc.)
Github
Github Pages for hosting
Step 1: Create the HTML File
Create a new folder and name it "live-web-editor". Inside the folder, create a new file and name it "index.html". Open the file in your code editor and add the following code:
Above code is used for live rendering of textarea it will automatically render when you type in textarea and also is used enable tab in textarea because by default tab is not enabled in textarea.
Step 2: Create the CSS File
Create a new file and name it "styles.css". Open the file in your code editor and add the following code:
Step 3: Create the JavaScript File
Create a new file and name it "script.js". Open the file in your code editor and add the following code:
Step 4 : Running the Project
Save all the files and open the "index.html" file in your browser using the live server extension. You should see the following output:
Learn how to develop a live code editor using HTML, CSS, and JavaScript. Follow this step-by-step guide to create an online code editor reminiscent of w3schools. Enhance your web development skills and empower users to write and execute code in real-time.
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