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Javascript terms

5 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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Fetch API ES2015

The browser-native Promise-based API for making HTTP requests — replacing XMLHttpRequest with a cleaner interface supporting streaming, CORS, and request/response objects.

4w ago javascript beginner

File API — FileReader & File Input ES2015

File and FileReader provide client-side access to user-selected files before upload to PHP — enabling preview, validation, and chunked upload.

2mo ago javascript intermediate

FormData API ES2015

FormData constructs key-value pairs from HTML forms for AJAX submission to PHP backends — supports file uploads without page reload.

2mo ago javascript intermediate

Diagram: Fetch API & HTTP Requests

Fetch API & HTTP Requests ES2015

The modern browser API for HTTP requests — Promise-based, streaming-capable, and replacing XMLHttpRequest in all new code.

2mo ago javascript beginner

Diagram: Functional Array Methods (JS)

Functional Array Methods (JS) ES2015

map, filter, reduce, find, flatMap, every, some — JavaScript's built-in higher-order array methods for expressive data transformation.

2mo ago javascript beginner

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