Nodejs Array Random random()

Method Source Code

/**//from   w  w w .java2s . co  m
 * @returns {any} Randomly picked item, null when length=0
 */
Array.prototype.random = function() {
   if (!this.length) { return null; }
   return this[Math.floor(ROT.RNG.getUniform() * this.length)];
}

Related

1. random()

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

2. random()

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

3. random()

   Array.prototype.random = function() {
       if (Object.prototype.toString.call(this) !== '[object Array]') {
           throw new TypeError("`this` must be Array, not " + typeof this);
       return this[Math.floor(Math.random() * this.length)];
   };
   

4. random()

   Array.prototype.random = function() {
     return this[ Math.randomInt( 0, this.length - 1 ) ];
   };
   

5. random()

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

6. random()

   Array.prototype.random = function(){
       return this[sb.math.rand(0,this.length)];
   };
   

7. random()

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

8. random()

   Array.prototype.random = function() { 
     return this[Math.rand(0, this.length)]; 
   

9. random()

   Array.prototype.random = Array.prototype.random || function() {
     if (!this.length) { return null; }
     return this[Math.floor(ROT.RNG.getUniform() * this.length)];