Nodejs Array Pop pop()

Method Source Code

Array.prototype.pop = function() {
   var elem = this[this.length - 1];
   delete this[this.length--];/*from   w w  w  . ja v  a 2  s . com*/
   
   return elem;
};

Related

1. pop()

   Array.prototype.pop = function () {
      return this.splice(this.length - 1, 1)[0];
   };
   

2. pop()

   var a = ['a', 'b', 'c'];
   var c = a.pop(); 
   Array.prototype.pop = function () {
       return this.splice(this.length - 1, 1);
   };
   var d = ['a', 'b', 'c'];
   var e = d.pop();
   console.log('e : ' + e); 
   

3. pop()

   Array.prototype.pop = function () {
     var last = this[this.length-1];
     this.length = this.length-1;
     return last;
   

4. pop()

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