Frontend UI Developer Interview Questions

Recently gave interviews at some companies for Frontend Developer role and given below is a exhaustive list of all the questions (with answers) that were asked.

• Javascript

  • Hoisting
  • Equality Testing
  • this
  • Event Loop
  • Closure
  • Scope
  • Datatypes
  • Implementation/Coding Questions
  • Design based open ended problems
  • Theoretical Questions

• HTML/CSS

  • Implementation
  • Theoretical

• ReactJs/Redux

  • Implementation
  • Design Based
  • Theoretical

• Algorithms

• Puzzles

• Miscellaneous

How to Contribute

Raising a PR

If you want to add any new questions or add solution to existing questions please raise a PR for the same

• Fork the repository and create a new branch
• Do the changes, commit code and raise PR to master branch in main repo (PR with changes directly in master branch will be rejected)
  Read more about creating PR from a forked repo to base repo
• Please make sure that code and content is formatted properly with proper language
• Questions with working solutions are encouraged. Either add the solutions here or you can add a JSBin/JSfiddle also
• Give proper description in each PR. Description should tell what changes are done, sections effected and other relevant info
• PRs with similar questions which are already added are likely to be rejected.

Creating an issue

If you want to discuss anything or some changes you are unsure of, please create an issue for the same before raising the PR.