All Questions
Tagged with interview-questionsjavascript
96 questions
2votes
1answer
310views
Pick two random cards from a standard deck
I wrote this code as a refactor of code I saw on Programiz. I thought about this refactor before going to bed and implemented it successfully in code. ...
- 23
2votes
3answers
1kviews
Grouping objects in a JavaScript array by category and counting them
I recently had a programming interview with a Silicon Valley tech company and wanted some different opinions on one of the problems they had me solve and how others might complete it. Essentially, ...
- 31
1vote
6answers
239views
Find first and last matches on a sorted list
I needed a function to find the first and last indices into a sorted list corresponding to a given value (roughly similar to C++'s equal_range()). This is the ...
- 264
3votes
2answers
197views
Check for max value in stack
Got this problem in a coding interview - Get the max value of a stack in O(1). The stack contains numbers only. Please review my solution. ...
- 39
2votes
3answers
1kviews
Find the 'n' most frequent words in a text, aka word frequency
I'm doing freeCodeCamp's Coding Interview Prep to improve my JavaScript skills. This challenge is called "Word Frequency", and is based on the Rosetta Code's entry of the same name. The ...
- 771
-1votes
1answer
343views
Hackerrank Gridland Metro - using Interval Cover Solution [closed]
Hi there I was hoping to get a better grasp of greddy algorithms while trying to solve this problem: Hackerrank: Gridland Metro and I was trying to apply an algorithm where each grid could be ...
1vote
1answer
379views
Square Spiral Matrix in Javascript
I've been grinding some Leetcode for an interview coming up and just completed Square Spiral in Javascript. Looking for feedback on performance. This ranked faster than 58% of submissions, would there ...
1vote
1answer
122views
Is My Controller too Coupling?
To put it in context, I had the assignment to do for a job interview in Node.JS, which basically making CRUD with products (and it have certain conditions). The assignment was well-understandable, and ...
- 19
4votes
1answer
218views
Randomly rearrange table rows without unnecessary reflows
I recently completed a coding challenge for a company that did not get me to the next stage. They were kind enough to provide the following feedback: The coding assignment does not match what we are ...
- 41
2votes
0answers
628views
Cron expression parser
Problem Write a command line application or script which parses a cron string and expands each field to show the times at which it will run. ~$ your-program "*/15 0 1,15 * 1-5 /usr/bin/find"...
- 5,137
2votes
5answers
258views
FizzBuzz solution
I'm preparing for junior developer interviews and am trying to come up with a more interesting/versatile solution to FizzBuzz than I've done in the past. Do you have any ideas of how I might DRY this ...
2votes
1answer
1kviews
Implementation of a ticket queue system in JavaScript
I got this question during an interview. The question itself was very open-ended - it asked me to implement a ticket queue system, where by default it would have 3 different queues to hold tickets ...
- 325
3votes
2answers
567views
Build a stamp duty calculator for various types of buyers
I had a task where I had to build a stamp duty calculator, which calculates the tax or stamp duty first-time buyers(ftb) returning buyers (...
- 389
4votes
3answers
618views
Microsoft OA | Longest Substring Without 3 Contiguous Occurrences of Letter
For the following question, does my JS Solution seem correct? I'm looking for some peer review. Q: Given a string s containing only a and b, find longest substring of s such that s does not contain ...
7votes
2answers
1kviews
Take postcodes and get the Lat long information from them
I had an interview task which was the final stage, however, the feedback I got back for my solution was that it lacked effort and structure. I would be grateful to ...
- 389
