Nodejs Array Insert insert(p_index, newObj)

Method Source Code

Array.prototype.insert = function(p_index, newObj){
   var l = this.length;
   var precObj = null;
   for(var i=0; i<l; i++){
      if(precObj != null){
         var obj = precObj;
         precObj = this[i];/*from  ww  w .  ja  va  2 s.  c  om*/
         this[i] = obj;
      }else if(i == p_index){
         precObj = this[i];
         this[i] = newObj;
      }
   }
   if(precObj != null){
      this.push(precObj);
   }else{
      this.push(newObj);
   }
};

Related

1. insert(index, item)

   Array.prototype.insert = function (index, item) {
     this.splice(index, 0, item);
   };
   Array.prototype.registerKeys = function(keys){
     for(var i=0;i< keys.length;i++){
       this.push(keys[i]);
   };
   Array.prototype.contains = function(item){
   ...
   

2. insert(index, item)

   Array.prototype.insert = function(index, item) {
     index = Math.min(index, this.length);
     arguments.length > 1
       && this.splice.apply(this, [index, 0].concat([].pop.call(arguments)))
       && this.insert.apply(this, arguments);
     return this;
   

3. insert(index, value)

   Array.prototype.insert = function(index, value)
     if(index >= 0)
       var a = this.slice(), b = a.splice(index);
       a[index] = value;
       return a.concat(b);
   };
   ...
   

4. insert(index, value)

   Array.prototype.insert = function (index, value) {
       this.splice(index, 0, value);
   };
   

5. insert(object)

   Array.prototype.insert = function(object) {
     this[this.length] = object;
     return this;
   

6. insert(value)

   Array.prototype.insert = function(value) {
     if(this.root == null) {
       this.root[1] = value; 
   var heap = []; 
   heap.insert(30);
   console.log(heap);