Code

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.

All Code Content:

  1. How to Create Presentation Slides With HTML and CSS

    How to Create Presentation Slides With HTML and CSS

    Tutorial Intermediate

    We can easily create beautiful and interactive presentations with HTML, CSS, and JavaScript, the three basic web technologies. Follow this HTML tutorial for...

  2. How to Iterate Over Object Properties in JavaScript

    How to Iterate Over Object Properties in JavaScript

    Tutorial Beginner

    In this article, we'll go through the various ways to iterate over the properties of an object in JavaScript.

  3. How to Use assert() in PHP

    How to Use assert() in PHP

    Tutorial Beginner

    In this article, I'll teach you about the assert() function in PHP. I will teach you what exactly it is, how it works, and the right context to use it in...

  4. Data Structures With JavaScript: Tree

    Data Structures With JavaScript: Tree

    Tutorial Beginner

    Trees are one of the most commonly used data structures in web development. This statement holds true for both developers and users. Every web developer who...

  5. Add Days to a Date With PHP DateInterval

    Add Days to a Date With PHP DateInterval

    Tutorial Beginner

    In this quick tip, you will learn how to add days to a date in PHP using the DateInterval class.

  6. 30+ PHP Best Practices for Beginners

    30+ PHP Best Practices for Beginners

    Tutorial Intermediate

    PHP is the most widely used language for programming on the web. Here are 30+ best practices for beginners wanting to gain a firmer grasp of the fundamentals.

  7. PHP Magic Methods Cheatsheet

    PHP Magic Methods Cheatsheet

    Tutorial Beginner

    In this post, I'll give you a cheatsheet quick reference to all the magic methods available in PHP.

  8. Pop and Shift Arrays With PHP: When to Use Each One

    Pop and Shift Arrays With PHP: When to Use Each One

    Tutorial Beginner

    In this quick tip, I'll show you how to use the array_pop() and array_shift() functions in PHP to get the first and last elements of an array.

  9. How to Count Words in JavaScript

    How to Count Words in JavaScript

    Tutorial Beginner

    In this quick article, we’ll see how you can count words in a paragraph with JavaScript, along with a couple of real-world examples.

  10. Read a CSV to an Array in PHP

    Read a CSV to an Array in PHP

    Tutorial Beginner

    In this post, I'll show you how to use PHP's built-in functions to read and print the contents of a CSV file and convert it into an array.

  11. How to Capitalize the First Letter of Each Word (Title Case) in JavaScript

    How to Capitalize the First Letter of Each Word (Title Case) in JavaScript

    Tutorial Beginner

    In this quick article, we’ll see how you can capitalize the first letter of all words in a string in JavaScript—also known as converting the text to title case.

  12. The 8 Best Free Data Visualization Libraries for JavaScript in 2025

    The 8 Best Free Data Visualization Libraries for JavaScript in 2025

    Tutorial Beginner

    People don't like to look at pages and pages of raw data. They are more likely to pay attention if the data is presented to them in a more visually engaging...