JAVASCRIPT & TYPESCRIPT · DAY 001
Deep JavaScript still matters in the TypeScript era
Expona Admin · Oct 27, 2026 · 8 min read
Tag · 100 articles
#JavaScript
Practical JavaScript articles, guides and code examples from the Expona engineering blog.
JAVASCRIPT & TYPESCRIPT · DAY 002
How JavaScript runs for JavaScript & TypeScript developers
Expona Admin · Oct 27, 2026 · 8 min read
JAVASCRIPT & TYPESCRIPT · DAY 003
Execution context and hoisting: best practices explained
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 004
The event loop: microtasks vs macrotasks for production
Expona Admin · Oct 27, 2026 · 8 min read
JAVASCRIPT & TYPESCRIPT · DAY 005
Promise vs setTimeout: who runs first, explained simply
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 006
Scope and closures for JavaScript & TypeScript developers
Expona Admin · Oct 27, 2026 · 11 min read
JAVASCRIPT & TYPESCRIPT · DAY 007
Closures in loops: let vs var in JavaScript & TypeScript
Expona Admin · Oct 27, 2026 · 9 min read
JAVASCRIPT & TYPESCRIPT · DAY 008
'this' explained for JavaScript & TypeScript developers
Expona Admin · Oct 27, 2026 · 8 min read
JAVASCRIPT & TYPESCRIPT · DAY 009
Arrow functions and 'this': patterns, pitfalls and fixes
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 010
Prototypes and classes: a practical guide for developers
Expona Admin · Oct 27, 2026 · 8 min read
JAVASCRIPT & TYPESCRIPT · DAY 011
Classes are syntax sugar: a hands-on guide for engineers
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 012
Types, equality and coercion in JavaScript & TypeScript
Expona Admin · Oct 27, 2026 · 9 min read
JAVASCRIPT & TYPESCRIPT · DAY 013
Always use ===: a practical JavaScript & TypeScript guide
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 014
Objects and references: a practical guide for developers
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 015
Immutable updates without libraries: a step-by-step guide
Expona Admin · Oct 27, 2026 · 10 min read
JAVASCRIPT & TYPESCRIPT · DAY 016
map, filter and reduce, done well: a step-by-step guide
Expona Admin · Oct 27, 2026 · 9 min read
JAVASCRIPT & TYPESCRIPT · DAY 017
New array and object methods in JavaScript & TypeScript
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 018
Promises deep dive for JavaScript & TypeScript developers
Expona Admin · Oct 27, 2026 · 8 min read
JAVASCRIPT & TYPESCRIPT · DAY 019
Error handling with async/await: lessons from production
Expona Admin · Oct 27, 2026 · 7 min read
JAVASCRIPT & TYPESCRIPT · DAY 020
Promise.all, allSettled, race and any: a practical guide
Expona Admin · Oct 27, 2026 · 7 min read