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Filtered by tag: JavaScript
Weeks 6–9 of the MERN syllabus — fundamentals, OOP, DOM, async/await, Fetch API, authentication, Jest testing, and DevTools debugging with performance notes.
React & frontend interview guide — 391 unique questions with theory, examples, and interview-ready answers across hooks, rendering, state, performance, JavaScript, and architecture.
From JavaScript higher-order functions to React HOCs — map/filter/compose foundations, component factories, with-prefix conventions, withDataFetching, admin permissions, pitfalls, and custom hook alternatives.
JavaScript strings interview guide — immutability, search, slice, transform, split/join, templates, regex, Unicode, and practice problems with solutions.
Complete DOM guide — tree structure, selection APIs, manipulation, events, traversal, delegation, and interactive playgrounds with real-world examples.
Production-ready JavaScript utilities — debounce, throttle, deep clone, shuffle, groupBy, flatten, dedupe, date formatting, and safe nested access with interview-ready callouts.
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