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30. JavaScript Data Type: Symbol - for...in, global symbols, system symbols

Опубликовано: 03 Октябрь 2024
на канале: Miss Xing (邢老师)
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#MissXing #JavaScript #JavaScriptObject
In this video, we continue introduce symbols - why symbols are considered as hidden properties? We explained use for...loop, object.keys. We also introduced global symbol registry, and system symbols in a brief way.

Source code:
https://github.com/TinaXing2012/javas...

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