Nodejs Array Peek peek(index)

Method Source Code

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

Related

1. peek()

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

2. peek()

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

3. peek()

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

4. _peek()

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