Answers for "how to check if a number has decimals js"

has decimal javascript

// check if num has decimal value.

num % 1 !== 0
// if any number on right of decimal other than 0, returns true

// Eg
5   % 1 !== 0 // false
5.0 % 1 !== 0 // false
5.1 % 1 !== 0 // true

how to know if a number has a decimal number js

function hasDecimal (num) {
	return !!(num % 1);
}
hasDecimal(2) // true
hasDecimal(2.345) // false