front-end-interview-handbook/contents/companies/apple-front-end-interview-questions.md

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Apple Front End Interview Questions	Apple interview questions

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Find the latest version of this page on GreatFrontEnd's Apple Front End Interview Guide.

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Not much is known about Apple's front end interview process.

JavaScript

• Implement Array.prototype methods (flat, map, reduce, concat) by yourself using JavaScript.
  • Practice questions
• How can you execute an array of promise in sequence?

User interface coding

• Implement a simple photo ordering tool with vanilla JS and no libraries.

Trivia

• How do you build an npm package?
• What is a compositing layer in CSS?

Algorithm

• Given an array, return an array where the each value is the product of the next two items: E.g. [3, 4, 5] -> [20, 15, 12]

Source: Glassdoor Apple Front End Developer Interview Questions