Code Tutorials

Discover thousands of free code tutorials to help you learn web and mobile development. You can learn Android app development, master React Native, become a better WordPress developer, and much more.

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  1. How to Get Elements by Class, ID, Tag Name, or Selector in JavaScript

    How to Get Elements by Class, ID, Tag Name, or Selector in JavaScript

    Tutorial • Beginner

    This tutorial will teach you how to access DOM elements in JavaScript with the help of their class, id, tag name, or selectors.

  2. How to Create a PHP/MySQL Powered Forum From Scratch

    How to Create a PHP/MySQL Powered Forum From Scratch

    Tutorial • Intermediate

    In this tutorial, we're going to build a PHP/MySQL powered forum from scratch. This tutorial is perfect for getting used to basic PHP and database usage....

  3. Introducing Python's Matplotlib Library

    Introducing Python's Matplotlib Library

    Tutorial • Intermediate

    In this tutorial, I will show you how to create graphs using Python's matplotlib library. I will show you how to install the library, and I'll walk you...

  4. Why Isn't Your WordPress Site Posting to Facebook? Common Causes and Fixes

    Why Isn't Your WordPress Site Posting to Facebook? Common Causes and Fixes

    Tutorial • Beginner

    Is your WordPress site not posting to Facebook? Do you need help fixing this Facebook posting problem?

  5. Customizing and Styling the Password-Protected Form in WordPress

    Customizing and Styling the Password-Protected Form in WordPress

    Tutorial • Beginner

    In this post, I'll show you how to customize and style the default password-protected from in WordPress.

  6. Using async and await in JavaScript

    Using async and await in JavaScript

    Tutorial • Beginner

    In this tutorial, we will learn about the async and await keywords in JavaScript, which enable us to use promises effectively and write cleaner asynchronous...

  7. 20+ Most Useful PHP Scripts for 2025

    20+ Most Useful PHP Scripts for 2025

    Tutorial • Beginner

    Whether you need to create an email form, add a shopping cart to your eCommerce store, or create a contact form with validation, there's a PHP script that's...

  8. Insert, Replace, or Remove Child Elements in JavaScript

    Insert, Replace, or Remove Child Elements in JavaScript

    Tutorial • Beginner

    This tutorial will show you how to insert child elements in your website with JavaScript. You will also learn how to remove or replace those child elements...

  9. Inserting Text, HTML, or Elements at Adjacent Positions Using JavaScript

    Inserting Text, HTML, or Elements at Adjacent Positions Using JavaScript

    Tutorial • Beginner

    This tutorial will teach you how to insert text, HTML, or elements at different adjacent positions relative to the calling element using JavaScript.

  10. 20+ Best Android App Templates for 2025

    20+ Best Android App Templates for 2025

    Tutorial • Beginner

    Do you want to save time and build your Android apps faster in 2023? By using app templates, you cut through the slog of creating an app from scratch and...

  11. The Downside of Using innerHTML to Manipulate the DOM and Some Alternatives

    The Downside of Using innerHTML to Manipulate the DOM and Some Alternatives

    Tutorial • Beginner

    The innerHTML property is commonly used to modify the DOM, but it has some drawbacks.  This article will examine the downsides of using innerHTML and provide...

  12. Creating a Blogging App Using React, Part 3: Add & Display Posts

    Creating a Blogging App Using React, Part 3: Add & Display Posts

    Tutorial • Intermediate

    In the previous part of this tutorial series, you saw how to implement the sign-up and sign-in functionality. In this part of the tutorial, you'll implement...

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