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Desarrollador Web Full Stack Interview Questions

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19,125 desarrollador web full stack interview questions shared by candidates

1. Reverse words in a string 2. Find the first number in an array that is not repeated (or repeated, I do not remember exactly) 3. Sort a given list of date string 4. function logsth() { console.log(this); } new logsth(); what is the value of this? 5. const cowsound = 'moo'; function makesound() { console.log(cowsound); const cowsound = 'baa'; console.log(cowsound); } what will you see in the console? 6. Some question about left join 7. Some question involving difference between transpilation and polyfill 8. A question about what certain specified situation represents the correct http status? The answer was options were 401, 403, 500 and something else. 9. which of the data structures can erase from beginning or end in O(1) time? Options are: vector, dequeue, stack, segment tree 10. Some question about CORS 11. Something about JSONP
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Full Stack Engineer

Interviewed at Agoda

3.9★
Mar 7, 2020

1. Reverse words in a string 2. Find the first number in an array that is not repeated (or repeated, I do not remember exactly) 3. Sort a given list of date string 4. function logsth() { console.log(this); } new logsth(); what is the value of this? 5. const cowsound = 'moo'; function makesound() { console.log(cowsound); const cowsound = 'baa'; console.log(cowsound); } what will you see in the console? 6. Some question about left join 7. Some question involving difference between transpilation and polyfill 8. A question about what certain specified situation represents the correct http status? The answer was options were 401, 403, 500 and something else. 9. which of the data structures can erase from beginning or end in O(1) time? Options are: vector, dequeue, stack, segment tree 10. Some question about CORS 11. Something about JSONP

You are given a 2D grid of size m x n representing a map where '0' represents land (an island) and '1' represents water. An island is a group of connected '0's horizontally or vertically. You need to write a function that counts the total number of distinct islands in the grid
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Senior Full Stack Developer

Interviewed at Wix

4.1★
Jan 22, 2025

You are given a 2D grid of size m x n representing a map where '0' represents land (an island) and '1' represents water. An island is a group of connected '0's horizontally or vertically. You need to write a function that counts the total number of distinct islands in the grid

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