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

Deep-clones an array, object or value.

_.cloneDeep()

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

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

Code Examples for _.cloneDeep()

_.cloneDeep() — working example

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

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

How to Explain _.cloneDeep() to an Interviewer

What is _.cloneDeep() (lodash)?

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

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

the smallest _.cloneDeep lodash example you can type Deep-clones an array, object or value

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

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

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

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

_.cloneDeep() — JS Interview Questions

Deep-clones an array, object or value.

_.cloneDeep()

_.cloneDeep() (lodash) is a JS topic. In plain words you use it for a short _.cloneDeep lodash example in a script in the browser. Don’t start with a slogan — start with that picture.

Smallest example: the smallest _.cloneDeep lodash example you can type. Type it, run it, and say what you see. If you can do that from memory, you know _.cloneDeep() (lodash).

From the example next to this theory: Deep-clones an array, object or value.

Trap: only saying “_.cloneDeep lodash” with no example. Fix that before you talk about advanced JS.

Viva: what is _.cloneDeep() (lodash)? Then show the smallest _.cloneDeep lodash example you can type. Then name the trap.

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