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Specification - Glossary | MDN 1/3 https://developer.mozilla.org/en-US/docs/Glossary/Specification reference web, html, css, javascript, documentation 2026-05-05T05:45:45.995571+00:00 kb-cron

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Specification

A specification is a document that lays out in detail what functionality or attributes a product must include before delivery. In the context of describing the Web, the term "specification" (often shortened to "spec") generally means a document describing a language, technology, or API which makes up the complete set of open Web technologies.

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