GFE 75

Most important 75 questions for front end interviews, selected by a panel of Senior Front End Engineers from big tech companies.

Curated by ex-interviewers

73 questions with solutions

Time efficient

DebounceImplement a function to limit how many times a function can be executed by delaying the execution of the function until after a specified time after its last execution attempt
Languages
Array.prototype.reduceImplement the Array.prototype.reduce() method
Languages
ClassnamesImplement a function that conditionally joins CSS class names together
Languages
FlattenImplement a function that recursively flattens an array into a single level deep
Languages