W3Schools is optimized for learning, testing, and training. Examples might be simplified to improve reading and basic understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using this site, you agree to have read and accepted our terms of use, cookie and privacy policy.
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What is W3Schools?
W3Schools is a web developers site, with tutorials and references on web development languages such as HTML, CSS, JavaScript, PHP, SQL, and JQuery, covering most aspects of web programming.The site derives its name from the World Wide Web (W3), but is not affiliated with the W3C.
W3Schools was originally created in 1998, by Refsnes Data, a Norwegian software development and consulting company.
Easy Learning
W3Schools has focus on simplicity, practicing easy and straight-forward learning.We use simple code explanations, and illustrate how to use it.
The tutorials start from basic level, and move all the way up to complete professional references.
Try It Yourself
W3schools presents thousands of code examples.By using an online editor (Try It Yourself), you can edit examples and execute computer code experimentally, to see what works and what does not, before implementing it.
W3Schools is Free
W3Schools is, and will always be, a completely free developers resource.You Can Help
Many people are working very hard to make W3Schools interesting, useful, and correct.If you find an error, or a broken link, please tell us about it.
Use the link "REPORT ERROR" at the bottom of each page.
Copyright Information
All pages and graphics on this web site are the property of the company Refsnes Data.Pages, code or other content from W3Schools may not be redistributed or reproduced in any way, shape, or form without the written permission of Refsnes Data.
Failure to do so is a violation of copyright laws.
Fair Use
Fair use defines W3Schools' exceptions to the rights protected by copyright laws.Fair use of W3Schools includes using copyrighted material:
In research
In news reporting
In citations
In commentary
Fair use of W3Schools also includes:
Linking to W3Schools
Adding W3Schools to search engines
Library archiving W3Schools
Using W3Schools in Teaching
Fair use includes using copyrighted material in teaching under this balancing:
Favorable Use:
Copying examples and code snippets for non-profit teaching and research.Copying small quantities, appropriate for classroom teaching.
Not Favorable Use:
Copying for profitable or commercial use.
Massive or verbatim copying.
Copying large quantities.
Linking to W3Schools
Any Web site may link to any of the pages on W3Schools. However, pages from W3Schools may not be embedded in a frame from the referring site, without the written permission of Refsnes Data.
Warranties
W3Schools is provided without warranty of any kind. There are no guarantees that use of the site will not be subject to interruptions. All direct or indirect risk related to use of the site is borne entirely by the user. All code provided by W3Schools is provided as examples without warranties to performance, fitness, merchantability, and/or any other warranty (whether expressed or implied).W3Schools may contain inaccuracies or errors. Refsnes Data makes no guarantees regarding the accuracy of the site or its contents. If you discover that the site or its contents contains errors, please contact us so these can be corrected.
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Linked Sites
W3Schools contains links to other sites. Refsnes Data is not responsible for any content that appears on these linked sites.
Your Conduct
While using this site, you agree to have read and accepted all the information on this page.