Nodejs Utililty Methods Random Float Number Get

function getRandomFloat (min, max) {
    return Math.random() * (max - min) + min;

var getRandomFloat = function(min, max){
  var returnObject = { decimal: Math.random() * max + min, binario: "0000"}
  return returnObject;

var getRandomFloat2 = function(min, max){
  return Math.random() * max + min;

Math.randomFloat = function(a,b){ 
  var min = Math.min(a,b);
  var max = Math.max(a,b);
  var delta = max-min;
  return min + (Math.random()*delta);

Math.randomFloat = function(min, max){
  var seed = Math.random();
  return (seed * (max - min)) + min;
};