TypeScriptgeneral
Interview Questions
Mar 28, 2026
ViewJavaScript Async Programming. Asynchronous programming is essential in JavaScript for handling operations like API calls, file I/O, and timers without blocking the main thread.. Promises. // Creating a promise const prom…
ReadModern JavaScript Patterns. Array Methods. const numbers = [1, 2, 3, 4, 5]; // map - transform each element const doubled = numbers.map(n => n * 2); // [2, 4, 6, 8, 10] // filter - keep elements that pass test const even…
ReadJavaScript Interview Questions. Comprehensive JavaScript interview questions covering fundamentals, ES6+, async programming, and advanced concepts. These questions are frequently asked in technical interviews.. Fundament…
ReadJavaScript Event Loop & Concurrency. JavaScript is single-threaded but can handle concurrent operations through the event loop, which manages the execution of code, events, and callbacks.. Call Stack, Web APIs, and Task …
ReadModern JavaScript ES6+ Features. ES6 (ES2015) and later versions introduced significant improvements to JavaScript. Understanding these features is essential for modern JavaScript development.. Let, Const, and Block Scop…
ReadJavaScript Closures, Scopes & Hoisting. Understanding scope, closures, and hoisting is fundamental to mastering JavaScript. These concepts are frequently tested in interviews.. Closures. A closure is a function that has …
ReadJavaScript Prototypes & Inheritance. JavaScript uses prototypal inheritance. Every object has a prototype object from which it inherits properties and methods.. Prototype Chain. // Constructor function function Person(na…
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