Tag · 100 articles

#TypeScript

Practical TypeScript articles, guides and code examples from the Expona engineering blog.

Deep JavaScript still matters in the TypeScript era

JAVASCRIPT & TYPESCRIPT · DAY 001

Deep JavaScript still matters in the TypeScript era

Expona Admin · Oct 27, 2026 · 8 min read

How JavaScript runs for JavaScript & TypeScript developers

JAVASCRIPT & TYPESCRIPT · DAY 002

How JavaScript runs for JavaScript & TypeScript developers

Expona Admin · Oct 27, 2026 · 8 min read

Execution context and hoisting: best practices explained

JAVASCRIPT & TYPESCRIPT · DAY 003

Execution context and hoisting: best practices explained

Expona Admin · Oct 27, 2026 · 7 min read

The event loop: microtasks vs macrotasks for production

JAVASCRIPT & TYPESCRIPT · DAY 004

The event loop: microtasks vs macrotasks for production

Expona Admin · Oct 27, 2026 · 8 min read

Promise vs setTimeout: who runs first, explained simply

JAVASCRIPT & TYPESCRIPT · DAY 005

Promise vs setTimeout: who runs first, explained simply

Expona Admin · Oct 27, 2026 · 7 min read

Scope and closures for JavaScript & TypeScript developers

JAVASCRIPT & TYPESCRIPT · DAY 006

Scope and closures for JavaScript & TypeScript developers

Expona Admin · Oct 27, 2026 · 11 min read

Closures in loops: let vs var in JavaScript & TypeScript

JAVASCRIPT & TYPESCRIPT · DAY 007

Closures in loops: let vs var in JavaScript & TypeScript

Expona Admin · Oct 27, 2026 · 9 min read

'this' explained for JavaScript & TypeScript developers

JAVASCRIPT & TYPESCRIPT · DAY 008

'this' explained for JavaScript & TypeScript developers

Expona Admin · Oct 27, 2026 · 8 min read

Arrow functions and 'this': patterns, pitfalls and fixes

JAVASCRIPT & TYPESCRIPT · DAY 009

Arrow functions and 'this': patterns, pitfalls and fixes

Expona Admin · Oct 27, 2026 · 7 min read

Prototypes and classes: a practical guide for developers

JAVASCRIPT & TYPESCRIPT · DAY 010

Prototypes and classes: a practical guide for developers

Expona Admin · Oct 27, 2026 · 8 min read

Classes are syntax sugar: a hands-on guide for engineers

JAVASCRIPT & TYPESCRIPT · DAY 011

Classes are syntax sugar: a hands-on guide for engineers

Expona Admin · Oct 27, 2026 · 7 min read

Types, equality and coercion in JavaScript & TypeScript

JAVASCRIPT & TYPESCRIPT · DAY 012

Types, equality and coercion in JavaScript & TypeScript

Expona Admin · Oct 27, 2026 · 9 min read

Always use ===: a practical JavaScript & TypeScript guide

JAVASCRIPT & TYPESCRIPT · DAY 013

Always use ===: a practical JavaScript & TypeScript guide

Expona Admin · Oct 27, 2026 · 7 min read

Objects and references: a practical guide for developers

JAVASCRIPT & TYPESCRIPT · DAY 014

Objects and references: a practical guide for developers

Expona Admin · Oct 27, 2026 · 7 min read

Immutable updates without libraries: a step-by-step guide

JAVASCRIPT & TYPESCRIPT · DAY 015

Immutable updates without libraries: a step-by-step guide

Expona Admin · Oct 27, 2026 · 10 min read

map, filter and reduce, done well: a step-by-step guide

JAVASCRIPT & TYPESCRIPT · DAY 016

map, filter and reduce, done well: a step-by-step guide

Expona Admin · Oct 27, 2026 · 9 min read

New array and object methods in JavaScript & TypeScript

JAVASCRIPT & TYPESCRIPT · DAY 017

New array and object methods in JavaScript & TypeScript

Expona Admin · Oct 27, 2026 · 7 min read

Promises deep dive for JavaScript & TypeScript developers

JAVASCRIPT & TYPESCRIPT · DAY 018

Promises deep dive for JavaScript & TypeScript developers

Expona Admin · Oct 27, 2026 · 8 min read

Error handling with async/await: lessons from production

JAVASCRIPT & TYPESCRIPT · DAY 019

Error handling with async/await: lessons from production

Expona Admin · Oct 27, 2026 · 7 min read

Promise.all, allSettled, race and any: a practical guide

JAVASCRIPT & TYPESCRIPT · DAY 020

Promise.all, allSettled, race and any: a practical guide

Expona Admin · Oct 27, 2026 · 7 min read