Tag: javascript
Import Maps ES2020
Import maps let browsers resolve bare module specifiers (import 'lodash') without a bundler — mapping module names to URLs in a JSON script tag.
2mo ago
javascript intermediate
IntersectionObserver API HTML5
IntersectionObserver fires when an element enters or leaves the viewport — the modern way to implement lazy loading, infinite scroll, and scroll-triggered animations.
2mo ago
javascript intermediate
Implicit Globals & strict mode ES5
Assigning to an undeclared variable in non-strict mode silently creates a global — use 'use strict' or ES modules to prevent accidental global pollution.
2mo ago
javascript intermediate
IndexedDB ES2015
Browser-native NoSQL database for offline-capable PHP web apps — stores structured data that survives page reloads, complements service workers.
2mo ago
javascript advanced
Intl API ES2015
The built-in JavaScript internationalisation API — format numbers, dates, currencies, relative times, and lists correctly for any locale without external libraries.
2mo ago
javascript intermediate
Intersection Observer API ES2015
A browser API that efficiently detects when elements enter or leave the viewport — replacing scroll event listeners for lazy loading, infinite scroll, and animation triggers.
2mo ago
frontend intermediate