JavaScript
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Why this exists JavaScript data is objects and arrays, and JSON, the format nearly every API and config file uses, is just those two written as text. Fluency with the array methods and destructuring is what makes…
JavaScript Basics: Arrays, Objects, Destructuring and Array Methods
Objects and arrays, destructuring and spread, the array methods that replace loops (map, filter, find, reduce, some, every), the sort gotchas, Map and Set, copying data correctly and round-tripping JSON.
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