how to get remainders in javascript code example

Example 1: javascript division get remainder

var y=11;
var x=4;
var quotient = Math.floor(y/x); //2
var remainder = y % x; //3

Example 2: how to find remainder in javascript

var myNum = 10 / 4;       // 2.5
 var fraction = myNum % 1; // 0.5
 myNum = -20 / 7;          // -2.857142857142857
 fraction = myNum % 1;     // -0.857142857142857