_.merge() — JS Technical Interview Questions & Answers

Deeply merges source objects into a destination object.

_.merge()

  • _.merge() (lodash) is a JS topic. In plain words you use it for a short _.merge lodash example in a script in the browser. Don’t start with a slogan — start with that picture.
  • Smallest example: the smallest _.merge lodash example you can type. Type it, run it, and say what you see. If you can do that from memory, you know _.merge() (lodash).
  • From the example next to this theory: Deeply merges source objects into a destination object.
  • Trap: only saying “_.merge lodash” with no example. Fix that before you talk about advanced JS.
  • Viva: what is _.merge() (lodash)? Then show the smallest _.merge lodash example you can type. Then name the trap.

Technical Interview Tip: What is _.merge() (lodash)? Show this: the smallest _.merge lodash example you can type. Trap: only saying “_.merge lodash” with no example.

Code Examples for _.merge()

_.merge() — working example

// Topic: _.merge()
const nums = [1, 2, 3];
const doubled = nums.map((n) => n * 2);
console.log(doubled);
console.log(doubled.reduce((a, b) => a + b, 0));

_.merge(): map then reduce on [1, 2, 3]. Say both prints.

How to Explain _.merge() to an Interviewer

What is _.merge() (lodash)?

Used for a short _.merge lodash example a script in the browser Not just the heading

Give one small example of _.merge() (lodash).

the smallest _.merge lodash example you can type Deeply merges source objects into a destination object

What mistake do beginners make with _.merge() (lodash)?

only saying “_.merge lodash” with no example Show the fix

Where do you use _.merge() (lodash)?

a script in the browser a short _.merge lodash example