JAVASCRIPT

js number 2 decimal places

(3.141596).toFixed(2);	// 3.14

js number with four decimal places

var myNumber = 2;

myNumber.toFixed(2); //returns "2.00"
myNumber.toFixed(1); //returns "2.0"

how to get decimal value in js

const number // Some Decimal Number
const decimal  = number - Math.floor(number)
//implementation
const number = 3.78;
const decimal = 3.78 - (Math.floor(3.78)) // Math.floor(3.78) returns 3
// decimal is 0.78

javascript no decimal places

const removedDecimal = Math.round(decimal);
// returns 5

javascript no decimal places

const removedDecimal = Math.trunc(decimal);
// returns 5