decimal number in javascript code example

Example 1: javascript round to 2 digits

var num = 2;
var roundedString = num.toFixed(2);// 2.00

Example 2: 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

Example 3: get decimals from float javascript

js> 2.3 % 1
0.2999999999999998