Posts About JavaScript
JavaScript is a versatile programming language essential for creating interactive and dynamic web content. It powers the behavior of web pages and is widely used for both front-end and back-end development.
JavaScript Promises and async/await
JavaScript runs one line at a time, but network calls, timers, and file reads take time. Promises are how the language represents a value that...
Closures and the Factory Pattern in JavaScript
Closures sound academic until you realise you use them constantly: every callback that remembers a variable, every module with private state,...
Advanced Axios: Cancellation, Caching and Offline
Once you have a configured Axios instance, the next level is about responsiveness and resilience: cancelling requests that no longer matter, r...
Essential JavaScript Array Methods
Most day-to-day JavaScript is moving data through arrays: transforming it, filtering it, summing it, reshaping it. A handful of methods cover...
Arrow Functions and this in JavaScript
this is the part of JavaScript that quietly breaks more code than any other, and arrow functions are the tool that finally tamed it. The two a...
ES6 Modules: import and export
Before ES modules, splitting JavaScript across files meant leaky globals or awkward IIFE tricks. ES modules gave the language a real system: e...
Axios: Instances, Interceptors and Error Handling
Axios is the workhorse HTTP client for the browser. You can fire a one-off axios.get(...) anywhere, but the moment an app has more than a coup...
JavaScript Scope, Hoisting and References
A lot of confusing JavaScript bugs trace back to three fundamentals: how variables are scoped, when they come into existence (hoisting), and w...