Discussion on "Frequently Asked And A Very Famous JavaScript Interview Question"

Yogesh Chavan · 2021-03-29T04:23:30.461Z

Today we will see a frequently asked Javascript interview question. The question goes like this: Implement a product method that will return the product of two numbers when invoked using any of the following two ways product(4, 5) product(4)(5) T...

Discussion on "Frequently Asked And A Very Famous JavaScript Interview Question" | Hashnode

Chety

Solving everyday problem by code

Mar 29, 2021

You can check your second parameter as below without 0 trap.

if (b != undefined) { // if b provided
  return a * b;
 }

Yogesh Chavan

Full Stack Developer | Freelancer | JavaScript | React | Nodejs. https://yogeshchavan.dev/. Book 1:1 @ hiretheauthor.com/myogeshchavan97

Mar 30, 2021

Chety Thanks, that will work but it's always good to use strict comparison inside if condition to avoid type coercion like this:

if (b !== undefined) { // if b provided
  return a * b;
 }

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Frequently Asked And A Very Famous JavaScript Interview Question

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