Nodejs Array Peek peek()

Method Source Code

Array.prototype.peek = function () {
   return this[this.length - 1];
};

Related

1. peek()

   Array.prototype.peek = function(){
       if (this.length > 0){
           return this[this.length - 1];
       } else {
           return null;
   

2. peek()

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

3. peek(index)

   Array.prototype.peek = function(index) {
      if(!index) index = 0;
      return this[this.length - index - 1];
   

4. _peek()

   Array.prototype._peek = function(){
       if(this.length > 0) return this[this.length - 1];
       return null;
     };