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  1. MDN Web Docs Glossary: Definitions of Web-related terms
  2. Validator
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Table of contents

  • See also

Validator

A validator is a program that checks for syntax errors in code. Validators can be created for any format or language, but in our context we speak of tools that check HTML, CSS, and XML.

See also

  • Validator on Wikipedia
  • Short list of validators

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Last modified: Oct 8, 2021, by MDN contributors

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