Javascript terms

2 terms of 1444 total

⚡ From DOM manipulation to async superpowers

JavaScript has evolved from a scripting curiosity into a full-stack language powering browsers, servers, and everything in between. This category covers the language core — closures, prototypes, async patterns, the event loop, modern ES2024+ features — as well as runtime behaviour that trips up developers at every experience level. Understanding JavaScript deeply means fewer bugs and more confident code.

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BigInt — Arbitrary Precision Integers ES2020

JavaScript's Number type cannot safely represent integers larger than 2⁵³−1 (Number.MAX_SAFE_INTEGER). BigInt is a separate numeric type that handles integers of arbitrary size, essential for working with 64-bit IDs from databases, cryptographic values, and precise financial calculations.

2mo ago javascript intermediate

BroadcastChannel — Cross-Tab Messaging HTML5

BroadcastChannel allows same-origin pages/tabs to communicate — post a message on one tab, receive it in all others — without a server or service worker.

2mo ago javascript intermediate