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JavaScript is the world's most popular programming language. Show
JavaScript is the programming language of the Web. JavaScript is easy to learn. This tutorial will teach you JavaScript from basic to advanced. Start learning JavaScript now » Examples in Each ChapterWith our "Try it Yourself" editor, you can edit the source code and view the result. Use the MenuWe recommend reading this tutorial, in the sequence listed in the menu. If you have a large screen, the menu will always be present on the left. If you have a small screen, open the menu by clicking the top menu sign ☰. Learn by ExamplesExamples are better than 1000 words. Examples are often easier to understand than text explanations. This tutorial supplements all explanations with clarifying "Try it Yourself" examples. If you try all the examples, you will learn a lot about JavaScript, in a very short time! JavaScript Examples » Why Study JavaScript?JavaScript is one of the 3 languages all web developers must learn: 1. HTML to define the content of web pages 2. CSS to specify the layout of web pages 3. JavaScript to program the behavior of web pages This tutorial covers every version of JavaScript:
Learning SpeedIn this tutorial, the learning speed is your choice. Everything is up to you. If you are struggling, take a break, or re-read the material. Always make sure you understand all the "Try-it-Yourself" examples. The only way to become a clever programmer is to: Practice. Practice. Practice. Code. Code. Code ! Commonly Asked Questions
You don't have to get or download JavaScript. JavaScript is already running in your browser on your computer, on your tablet, and on your smart-phone. JavaScript is free to use for everyone. My LearningTrack your progress with the free "My Learning" program here at W3Schools. Log into your account, and start earning points! This is an optional feature, you can study W3Schools without using My Learning.
JavaScript ReferencesW3Schools maintains a complete JavaScript reference, including all HTML and browser objects. The reference contains examples for all properties, methods and events, and is continuously updated according to the latest web standards. Complete JavaScript Reference » JavaScript Quiz TestTest your JavaScript skills at W3Schools! Start JavaScript Quiz! Kickstart your careerGet certified by completing the course Get certified w3schoolsCERTIFIED.2022SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now » Examples in Each ChapterWith our online SQL editor, you can edit the SQL statements, and click on a button to view the result. Click on the "Try it Yourself" button to see how it works. SQL ExercisesTest Yourself With ExercisesExercise:Insert the missing statement to get all the columns from the Start the Exercise SQL ExamplesLearn by examples! This tutorial supplements all explanations with clarifying examples. See All SQL Examples SQL Quiz TestTest your SQL skills at W3Schools! Start SQL Quiz! My LearningTrack your progress with the free "My Learning" program here at W3Schools. Log into your account, and start earning points! This is an optional feature, you can study W3Schools without using My Learning.
SQL ReferencesAt W3Schools you will find a complete reference for keywords and function: SQL Keyword Reference MYSQL Functions SQLServer Functions MS Access Functions SQL Quick Reference SQL Data TypesData types and ranges for Microsoft Access, MySQL and SQL Server. SQL Data Types Kickstart your careerGet certified by completing the course Get certified w3schoolsCERTIFIED.2022 |