Check if number is positive or negative in JavaScript

In this tutorial, we will see a JavaScript program to check if the given input number is positive or negative.

JavaScript has a single data type that represents a Number, the number can be Integer or Float.

To determine if the given number is positive or negative, we can use the following function.

const checkPositivity = (num) => { if(num === 0){ console.log("It is a zero"); }else if (num < 0){ console.log("It is a negative number"); }else{ console.log("It is a positive number"); } } checkPositivity(0); // It is a zero checkPositivity(1); // It is a positive number checkPositivity(-1); // It is a negative number