Nodejs Array Insert insert(index, value)

Method Source Code

/**// www.  ja  v  a 2 s  .  c o m
 * insert is a method of Array to insert value at index, without overwriting existing keys
 *
 * @param index       a Number, index where insert element
 * @param value       a Object (String, Number, ...), element to insert
 * @return            a Array, the array with the element inserted;
 */
Array.prototype.insert = function(index, value)
{
  if(index >= 0)
  {
    var a = this.slice(), b = a.splice(index);
    a[index] = value;
    return a.concat(b);
  }
};

Related

1. insert(index, item)

   Array.prototype.insert = function(index, item) {
     this.splice(index, 0, item);
     return this;
   if (Function.prototype.name === undefined){
     Object.defineProperty(Function.prototype,'name',{
       get: function(){
         return /function ([^(]*)/.exec( this+"" )[1];
     });
   

2. insert(index, item)

   Array.prototype.insert = function(index, item) {
     var args = this.slice.call(arguments),
         index = args.shift();
     args = [index,0].concat(args);
     this.splice.apply(this, args);
     return this;
   var result = [1,2,3,4,7,8,9,10].insert(4,5,6);
   console.log(result);
   ...
   

3. insert(index, item)

   Array.prototype.insert = function (index, item) {
     this.splice(index, 0, item);
   };
   function insertionSort (array) {
     var sorted = [];
     function backItUp(obj) {
       if(!sorted.length) return sorted.push(obj);
       for(var j=sorted.length-1; j>=0; j--) {
         if(obj.value >= sorted[j].value) {
   ...
   

4. 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){
   ...
   

5. 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;
   

6. insert(index, value)

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

7. insert(object)

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

8. insert(p_index, newObj)

   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];
         this[i] = obj;
       }else if(i == p_index){
   ...
   

9. insert(value)

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