Discover the latest in frontend development with our comprehensive guides, tutorials, and industry insights.
A deep, interview-ready guide to event delegation: bubbling/capturing, delegation patterns, performance benefits, common pitfalls, and clean implementations for real UIs.
A deep, interview-ready guide to browser storage: cookies vs Web Storage vs IndexedDB, quotas, security pitfalls (XSS), JSON patterns, and best practices for modern frontend apps.
A deep guide to JSON in JavaScript for interviews and real apps: JSON.stringify behavior, undefined/functions, dates, BigInt, circular references, and safe parsing/validation patterns.
A deep interview-ready guide to object references in JavaScript: shallow vs deep copies, structuredClone, JSON pitfalls, immutability patterns, and common bugs.
A deep, interview-ready guide to JavaScript arrays: core methods, common patterns, time/space complexity, mutation pitfalls, and practical questions with solutions.
A deep, practical guide to error handling in JavaScript for frontend interviews: sync vs async errors, try/catch with async/await, custom error classes, cause, and user-friendly error patterns.
A deep, interview-ready guide to JavaScript equality: == vs ===, truthy/falsy, ToPrimitive coercion, Object.is, NaN, -0, and common output questions.
A deep, interview-ready guide to JavaScript modules: ESM vs CommonJS, named vs default exports, live bindings, top-level await, Node/browser differences, and common pitfalls.
A practical guide to prototypes in JavaScript: prototype chain, __proto__ vs prototype, new operator, inheritance patterns, and common interview questions.
