JavaScript Map and Set: The Data Structures You Should Be Using Instead of Objects and Arrays
Learn when to use JavaScript Map and Set instead of Object and Array. Includes performance benchmarks, real code examples, and clear trade-offs.
6 articles
Learn when to use JavaScript Map and Set instead of Object and Array. Includes performance benchmarks, real code examples, and clear trade-offs.
Learn JavaScript destructuring with real before/after examples. Covers array destructuring, object destructuring, default values, and function parameters.
A flow diagram showing a source array [1, 2, 3] being unpacked by the ... spread syntax into three individual amber-coloured elements, which then merg
Template literals in JavaScript: embedded expressions, multi-line strings and tagged templates, and how they replace string concatenation.
How JavaScript modules work: named and default exports, imports, and how splitting code into modules keeps a project maintainable.
An arrow function is just a shorter, more modern way to write a function in JavaScript. That's honestly all it is. It was introduced in ES6 (2015) and