Senior Frontend Developer Interview Questions

1,608 senior frontend developer interview questions shared by candidates

1. What ECMA 2. Difference between let and var 3. const obj = {   key: "ABC", printName: () => {     console.log(this.key);   }  } obj.printName(); // what will be the output const printName = obj.printName; printName(); // what will be the output 4. Given an array that represents elements of arithmetic progression in order. One element is missing in the progression, find the missing number.   const input  = [2, 4, 8, 10, 12, 14] // Output: 6 const input2 = [1, 6, 11, 16, 21, 31] // Output: 26
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Senior Frontend Developer

Interviewed at ZopSmart

4.4
Dec 18, 2024

1. What ECMA 2. Difference between let and var 3. const obj = {   key: "ABC", printName: () => {     console.log(this.key);   }  } obj.printName(); // what will be the output const printName = obj.printName; printName(); // what will be the output 4. Given an array that represents elements of arithmetic progression in order. One element is missing in the progression, find the missing number.   const input  = [2, 4, 8, 10, 12, 14] // Output: 6 const input2 = [1, 6, 11, 16, 21, 31] // Output: 26

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