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W3Schools Online Web Tutorials
Learn to Code With the world's largest web developer site. Not Sure Where To Begin? HTML The language for building web pages Learn HTML Video Tutorial HTML Reference Get Certified
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HTML Tutorial - W3Schools
HTML Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
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Tutorials - Free Web Development and Programming Tutorials
PHP Tutorial PHP is a server scripting language, and a powerful tool for making dynamic and interactive web pages.
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Python Tutorial - W3Schools
Python Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.
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JavaScript Tutorial - W3Schools
Learn JavaScript The Programming Language of the Web JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2025 version. Start learning JavaScript now »
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Introduction to Programming - W3Schools
W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.
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C++ Tutorial - W3Schools
We recommend reading this tutorial, in the sequence listed in the left menu. C++ is an object oriented language and some concepts may be new. Take breaks when needed, and go over the examples as many times as needed.
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JavaScript Comparison Operators - W3Schools
You will learn more about the use of conditional statements in the if...else chapter of this tutorial.
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How To Make a Website - W3Schools
The box-sizing property allows us to include the padding and border in the box's total width (and height), making sure that the padding stays inside of the box and that it does not break. You can read more about the box-sizing property in our CSS Box Sizing Tutorial.
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CSS Tutorial - W3Schools
Examples in Each Chapter This CSS tutorial contains over 700 CSS examples. With our online editor, you can edit the CSS, and click on a button to view the result.