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Lead Front End Developer Interview Questions

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21,139 lead front end developer interview questions shared by candidates

Round 2: In-person White boarding: 1. Write the code to achieve the following: let myStr = "hello world!"; // your code here console.log(myStr); // !dlrow olleh 2. What is the output? Why? console.log(“one”); SetTimeout(function(){ console.log(“two”); }, 0); console.log(“three”); 3. For a given number ("n"), write a function that loops from 1 to "n" and outputs "Fizz" if the number is divisible by 3, "Buzz" if it is divisible by 5, "FizzBuzz" if it is divisible by both 3 & 5, and the number itself otherwise 4. What is the output? How to fix it? console.log(“start”); for(var i=0;i<5;i++){ setTimeout[function(){ console.log(i); },0); } console.log(“end”); 5. For a given array ([8, 7, 5, 3, 3, 0, 9, 1]), do the following: (must use ES6 Array methods) i) Sort in ascending order ii) Remove duplicates iii) Find numbers greater than a particular number (for ex: greater than 3)
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Senior Front End Developer

Interviewed at Bank of America

3.9★
Mar 25, 2017

Round 2: In-person White boarding: 1. Write the code to achieve the following: let myStr = "hello world!"; // your code here console.log(myStr); // !dlrow olleh 2. What is the output? Why? console.log(“one”); SetTimeout(function(){ console.log(“two”); }, 0); console.log(“three”); 3. For a given number ("n"), write a function that loops from 1 to "n" and outputs "Fizz" if the number is divisible by 3, "Buzz" if it is divisible by 5, "FizzBuzz" if it is divisible by both 3 & 5, and the number itself otherwise 4. What is the output? How to fix it? console.log(“start”); for(var i=0;i<5;i++){ setTimeout[function(){ console.log(i); },0); } console.log(“end”); 5. For a given array ([8, 7, 5, 3, 3, 0, 9, 1]), do the following: (must use ES6 Array methods) i) Sort in ascending order ii) Remove duplicates iii) Find numbers greater than a particular number (for ex: greater than 3)

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