§ The diary · page 9
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82 articles on web development, tooling, React, JavaScript, and practical frontend work.
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JavaScript
Lodash _.groupBy() — Group Arrays & Objects by Key (With Examples)
How to group arrays and objects in JavaScript using Lodash _.groupBy(). Copy-paste examples for grouping by property, multiple keys, array of objects, nested values, custom functions, and native alternatives.
Nov 12, 2024· 16 min read
"Web Development"
What Is React Query? How To Use useMutation, useQuery, prefetch, devtools
Boost React app performance with React Query useMutation, useQuery, and devtools. Learn how to optimize data fetching with refetch.
Nov 12, 2024· 14 min read