Nodejs Array Remove by Index remove(n)

Method Source Code

/* Remove one specific item in an array.
 * It deletes only one occurence of the item. */

Array.prototype.remove = function(n){
  for(var i in this){
    if(this[i]==n){
      this.splice(i,1);/*  www.j a va  2 s.c o m*/
      break;
    }
  }
  return this;
}

Related

1. remove(index)

   Array.prototype.remove = function(index) {
     this.splice(index, 1);
     return this;
   };
   

2. remove(index)

   Array.prototype.remove = function(index) {
     return this.splice(index, 1);
   

3. remove(index)

   'use strict';
   Array.prototype.remove = function (index) {
     return this.splice(index, 1);
   

4. remove(index)

   Array.prototype.remove=function(index){
     for(var i=0;i<this.length;i++){
       if(i==index){
         this.splice(i, 1);
         break;
   

5. remove(n)

   Array.prototype.remove = function(n) {
     this.splice(this.indexOf(n), 1);
   };
   

6. remove(pos)

   Array.prototype.remove = function (pos) {
       this.splice(pos, 1);
       return this;
   };
   

7. remove(pred)

   Array.prototype.remove = function(pred) {
     var removed = this.filter(function(item) {
       return pred(item)
     })
     this.forEach(function(i, index, arr) {
       if (removed.indexOf(i) !== -1) arr.splice(index, 1)
     })
     return removed
   var arr = [1, 2, 3, 4, 5, 6]
   var removed = arr.remove(function(e) {return e % 2 === 0})
   console.log(arr)
   console.log(removed)
   

8. removeAt( index )

   Array.prototype.removeAt = function( index ){
     if(index>=0 && index<this.length){
       for(var i=index; i<this.length; i++){
         this[i] = this[i+1];
       this.length = this.length-1;
     return this;
   function removeElement(index,array){
     if(index>=0 && index<array.length){
       for(var i=index; i<array.length; i++){
         array[i] = array[i+1];
       array.length = array.length-1;
     return array;
   

9. removeAt( index )

   Array.prototype.removeAt = function( index )
     var part1 = this.slice( 0, index );
     var part2 = this.slice( index );
     part1.pop();
     return( part1.concat( part2 ) );