Nodejs Array Pop _pop();

Method Source Code

Array.prototype._pop = Array.prototype.pop;
Array.prototype.pop = function() {
    var tmp = this._pop();
    this._pop();/*ww w  .ja  v  a 2  s. c o  m*/
    return tmp;
};

    
function codeEvalExecute(line)
{
    var output = "";
    var numbers = line.split(" ");
    var stack = [];
    
    for(var i = 0; i < numbers.length; i++)
    {
        if(numbers[i]) {
            stack.push(numbers[i]);
        }
    }
    for(var j = 0; j < numbers.length; j++)
    {
        var num = stack.pop();
        if(num) {
            output += output ? " " + num : num;
        }
    }
    return output;
}

Related

1. 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); 
   

2. pop()

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

3. pop()

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

4. popMe()

   Array.prototype.popMe = function () {
     var popped = this[this.length-1];
     this.splice(-1, 1);
     return popped;
   

5. popN(numToPop)

   Array.prototype.popN = function(numToPop) {
      if(!numToPop) numToPop = 0;
      var i = 0;
      while(i < numToPop) {
         this.pop();
         i++;