public/subjects/sign.en.md

Sign

Instructions

Create the sign function that takes one number argument and return 1 if the number is positive, -1 if the number is negative and 0 if the number is exactly 0 You must not just use Math.sign, make your own.

Create the sameSign function that takes 2 numbers as arguments and check if they both have the same sign

Notions

• https://nan-academy.github.io/js-training/examples/functions.js
• https://nan-academy.github.io/js-training/examples/if-else.js
• https://devdocs.io/javascript/global_objects/math/sign

Code provided

Math.sign = undefined