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mediumTechnical2024

Browser window scroll resize handlers

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01

Understand the problem

Implement the scenario utility: Browser window scroll resize handlers. Discuss edge cases, runtime performance, and alternative paradigms.

js-codingutilityalgorithm
02

Attempt it yourself

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03

Study the solution

💡 How to Think About This Problem

When implementing Browser window scroll resize handlers in a frontend interview, candidate developers should focus on structural correctness, managing execution bindings, and minimizing performance overhead.

1. Deconstructing the Requirements

To build a robust solution f

Solution ready — 2 min read

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04

Read the code

Example usage
function trackEvents(onScroll, onResize) {
  window.addEventListener('scroll', onScroll);
  window.addEventListener('resize', onResize);
  return () => {
    window.removeEventListener('scroll', onScroll);
    window.removeEventListener('resize', onResize);
  };
}

// Example placeholder
// const cleanup = trackEvents(() => console.log('scroll'), () => console.log('resize'));
05

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