shallow-clone

Creates a shallow clone of any JavaScript value.

v3.0.1 URL: https://unpkg.com/shallow-clone@3.0.1/index.js

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array clone copy extend mixin object primitive shallow

clone-deep

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

v4.0.1 URL: https://unpkg.com/clone-deep@4.0.1/index.js

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rfdc

Really Fast Deep Clone

v1.4.1 URL: https://unpkg.com/rfdc@1.4.1/index.js

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object obj properties clone copy deep recursive key keys values prop deep-clone deepclone deep-copy deepcopy fast performance performant fastclone fastcopy fast-clone fast-deep-clone fast-copy fast-deep-copy

klona

A tiny (240B to 501B) and fast utility to "deep clone" Objects, Arrays, Dates, RegExps, and more!

v2.0.6 URL: https://unpkg.com/klona@2.0.6/dist/index.min.js

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clone copy deep extend recursive object

mixin-deep

Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. No dependencies.

v2.0.1 URL: https://unpkg.com/mixin-deep@2.0.1/index.js

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assign deep extend key keys merge mixin object prop properties util values