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React Interview Questions

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3,481 react interview questions shared by candidates

Question 1: React / const arr = [1, 2, 4, 5, 7, 8, 9], // There will be 2 buttons, // 1. Start: on clicking start it will show 1 element from array and increase counter by 1 in 1 sec // 2. Pause: on clicking pause it will pause the changing of element // On again clicking start it will start from counter where it was pause Question 2: Javascript // find out maximum positive product of 2 elements const input1 = [-8, 6, 3, 1, -10, 9, -3]; const input2 = [-8, 6, 3, 1, -10, 9, 11];
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Senior React Developer

Interviewed at Wissen Infotech

3.8★
Dec 18, 2024

Question 1: React / const arr = [1, 2, 4, 5, 7, 8, 9], // There will be 2 buttons, // 1. Start: on clicking start it will show 1 element from array and increase counter by 1 in 1 sec // 2. Pause: on clicking pause it will pause the changing of element // On again clicking start it will start from counter where it was pause Question 2: Javascript // find out maximum positive product of 2 elements const input1 = [-8, 6, 3, 1, -10, 9, -3]; const input2 = [-8, 6, 3, 1, -10, 9, 11];

JS closure, hoisting, setTimeout Reverse String without in-built function. Component Life-cycle. CSS - positions in css, pseudo-element and pseudo-class, difference between inline, block and inline-block. few js coding problem.
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React Developer

Interviewed at HashedIn by Deloitte

4★
Oct 5, 2020

JS closure, hoisting, setTimeout Reverse String without in-built function. Component Life-cycle. CSS - positions in css, pseudo-element and pseudo-class, difference between inline, block and inline-block. few js coding problem.

HR Interview - Questions about your resume, experience, challenges and accomplishments Team pair programming - Using React and hooks Coffee chat - Informal discussions with team members about the company and how the teams work
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React Frontend Developer

Interviewed at Adjust

3.2★
May 25, 2021

HR Interview - Questions about your resume, experience, challenges and accomplishments Team pair programming - Using React and hooks Coffee chat - Informal discussions with team members about the company and how the teams work

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