Answers for "js check if amount has decimal"

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

js check if number has decimals

num % 1 != 0

how to know if a number has a decimal number js

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

check to see if number is a decimal javascript

The Number. isInteger() method determines whether a 
value an integer. 
This method returns true if the value is of the type 
Number, and an integer (a number without decimals). 
Otherwise it returns false.