Nodejs Array Sample sample()

Method Source Code

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

Related

1. sample()

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

2. sample()

   Array.prototype.sample = function() {
       return this[Math.floor(Math.random() * this.length)];
   };
   function Duck(color){
     this.type = color;
     this.quack = function() {
       console.log(["Quacksicles!","Quacktacular!","That's so QUACK!"].sample());
     };
   var redDuck = new Duck("red");
   var yellowDuck = new Duck("yellow");
   console.log("The " + redDuck.type + " duck says: ");
   redDuck.quack();
   console.log("The " + yellowDuck.type + " duck says: ");
   yellowDuck.quack();
   

3. sample()

   Array.prototype.sample = function() {
       function getRandomInt(min, max) {
           return Math.floor(Math.random() * (max - min)) + min;
       return this[getRandomInt(0, this.length)];
   

4. sample(n)

   Array.prototype.sample = function(n) {
     const result = [...this];
     const count = Math.min(n, result.length);
     for (let i = 0 ; i < count ; i++) {
       const x = Math.floor(Math.random() * result.length);
       [result[i], result[x]] = [result[x], result[i]];
     return result.slice(0, count);
   const generate = () =>
     Array(45).fill()
              .map((_, i) => i + 1)
              .sample(6)
              .sort((x, y) => x - y)
              .join(', ');
   console.log(generate());