MDN Web Docs Glossary: Definitions of Web-related terms

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Mixin
A mixin is a class or interface in which some or all of its methods and/or properties are unimplemented, requiring that another class or interface provide the missing implementations.

Web technologies contain long lists of jargon and abbreviations that are used in documentation and coding. This glossary provides definitions of words and abbreviations you need to know to successfully understand and build for the web.

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