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Tagged: Interview Preparation
Reasoning About React Hooks Through Render Snapshots and Trade-offs
A senior-level mental model for React and React Native Hooks: render snapshots, effects, refs, memoisation, custom Hooks, and how to explain trade-offs in interviews.
26 min readExplaining Browser JavaScript in Interviews: Queues, Heap, Leaks, Closures
A structured tour of the browser runtime for interview prep: call stack, task and microtask queues, heap and garbage collection, leaks, delegation, prototypes and closures.
10 min readNode.js and Express Interview Prep: 70 Questions With Precise Answers
A structured review of 70 Node.js and Express interview questions, from the event loop and streams to middleware, security and scaling, with corrections to common answers.
21 min readSeven Beginner Node.js and Express Coding Tasks, Solved and Explained
Work through seven typical junior Node.js interview tasks, from Express routes and middleware to error handling, string reversal and duplicates, and learn to explain each one.
7 min readReact and JavaScript Interview Answers That Show Real Depth
Explore stronger, more nuanced answers to common React and JavaScript interview questions, from the Virtual DOM to system design, that demonstrate deeper engineering judgment.
17 min readWhy `catch ()` Throws a SyntaxError in JavaScript
Learn why an empty catch parameter list breaks JavaScript parsing entirely, and see the two grammar-correct ways to write a parameterless catch block.
8 min read
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