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Frontend · Junior · Theory

Why does a frontend need a bundler like Webpack or Vite, and what does it do with the code?

~4 min by voice

How to approach it

The interviewer wants to see whether you understand what happens between the source code and the browser: how modules are collected along the import graph, what transformations and optimizations the bundler performs, and how development mode differs from a production build.

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bundlersbuild tools
Similar questionsYour app's bundle has grown to several megabytes, and the first load has become slow. How would you shrink it? Mid-levelBuilding a large frontend application takes fifteen minutes, and the bundle weighs several megabytes. How would you design the build and the delivery of the code? Senior

Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

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Best with headphones · ~4 min