JavaScript Code

How to check if number is positive?


Problem Statement

given a number, write a JavaScript program to check if the number is positive

Solution

a number is positive if it is greater than 0. to check if given number is positive, we have to check if it is greater than 0. we can use comparison greater than operator to check if given number is greater than 0

Program

1. given number is n. check if n is positive

let n = 4;
if ( n > 0 ) {
    console.log('positive number');
} else {
    console.log('not a positive number');
}

we have used the condition in if-else statement

2. negative number in n

let n = -3;
if ( n > 0 ) {
    console.log('positive number');
} else {
    console.log('not a positive number');
}