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Software Engineer Front End Interview Questions

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13,459 software engineer front end interview questions shared by candidates

CSS: How to hide element HTML: Semantic (why and what it is) REST: build a correct rest api (use correct names, methods, CRUD) React: Reconciliation State vs Props HOC Lifting state up Lifecicle methods Hooks (just to name it) How to avoid unnecessary re-render (Pure component, ...) JS: Strict/Unstrict comparison Live coding: 1. Given an array of numbers: create array of unique values 2. Given an array of objects like {id:1}: create array of objects with unique id's
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Front End Developer

Interviewed at Critical TechWorks

3.5★
Jun 25, 2021

CSS: How to hide element HTML: Semantic (why and what it is) REST: build a correct rest api (use correct names, methods, CRUD) React: Reconciliation State vs Props HOC Lifting state up Lifecicle methods Hooks (just to name it) How to avoid unnecessary re-render (Pure component, ...) JS: Strict/Unstrict comparison Live coding: 1. Given an array of numbers: create array of unique values 2. Given an array of objects like {id:1}: create array of objects with unique id's

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