Javascript Array sample()

Array.prototype.sample = function() {
  return this[Math.floor(Math.random()*this.length)]
}

Array.prototype.sample = function () {
    return this[Math.floor(Math.random() * this.length)]
}

Array.prototype.sample = function(){
    return this[Math.floor(Math.random()*this.length)];
};

var values = ['banana', 'apple' , 'Orange' , 'Coconut' , 'Grenade'];

module.exports = function(){

    module.get = function(){

        var initTime = new Date().getTime();
        while(true){
            var now = new Date().getTime();
            if(now > initTime + 1000)
                return values.sample();
        }/*from w  w w . jav  a2s. c om*/
    };

    return module;
}();

function inclusiverange(int1, int2){
  rangeArray = []/*from  www .java  2 s  .  c o  m*/
  for (var i = int1; i <= int2; ++i){
    rangeArray.push(i);
  }
  return rangeArray;
}
var numbers = inclusiverange(1, 10);
Array.prototype.sample = function() {
   return Math.floor(Math.random() * this.length);
};
function guessNumber(number){
  var sample = numbers.sample();
  var guess = (number == sample) ? 'correct' : 'incorrect';
  return console.log('your guess is ' + guess);
}

Array.prototype.sample = function(){
  return this[Math.floor(Math.random()*this.length)];
};