Nodejs Array Remove remove()

Method Source Code

Array.prototype.remove = function() {
   var count = 0;
   for (var i = 0; i < arguments.length; i++) {
      var arg = arguments[i];
      if (arg.constructor == Array) {
         for (var j = 0; j < arg.length; j++)
            count += this.remove(arg[j]);
      } else {/* w  ww.  java  2  s.  c  o m*/
         var index = 0;
         while (index < this.length) {
            if (this[index] == arg) {
               var end = this.slice(index + 1);
               this.length = index;
               this.push.apply(this, end);
               count++;
            } else index++;
         }
      }
   }
   return count;
};
Array.prototype.peek = function() {
   return this.length > 0 ? this[this.length - 1] : undefined;
};
Array.prototype.contains = function(el) {
   return this.indexOf(el) > -1;
};

Related

1. remove()

   Array.prototype.remove = function(){
       var args = [].slice.call(arguments);
       var removed = [];
       var self = this;
       var len = args.length;
       for(var i = 0; i < len; i++){
           var index;
           while((index = this.indexOf(args[i])) >= 0){
               this.splice(index,1);
   ...
   

2. remove()

   var toRemove = 1;
   Array.prototype.remove = function () {
       for (var i in this) {
           if (this[i] === toRemove) {
               this.splice(i, 1);
   var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   ...
   

3. remove()

   Array.prototype.remove = function() {
       var i, j, l, m;
       l = arguments.length;
       i = 0;
       while (i < l) {
           m = this.length;
           j = 0;
           while (j < m) {
               if (arguments[i] === this[j]) {
   ...
   

4. remove()

   Array.prototype.remove= function(){
       if(!Array.prototype.indexOf){
           Array.prototype.indexOf= function(what, i){
               i= i || 0;
               var L= this.length;
               while(i< L){
                   if(this[i]=== what) return i;
                   ++i;
               return -1;
       var what, a= arguments, L= a.length, ax;
       while(L && this.length){
           what= a[--L];
           while((ax= this.indexOf(what))!= -1){
               this.splice(ax, 1);
       return this;
   

5. remove()

   Array.prototype.remove = function() {
       var what, a = arguments, L = a.length, ax;
       while (L && this.length) {
           what = a[--L];
           while ((ax = this.indexOf(what)) !== -1) {
               this.splice(ax, 1);
       return this;
   ...
   

6. remove()

   Array.prototype.remove = function() {
       var what, a = arguments, L = a.length, ax;
       while (L && this.length) {
           what = a[--L];
           while ((ax = this.indexOf(what)) !== -1) {
               this.splice(ax, 1);
       return this;
   ...
   

7. remove()

   Array.range= function(a, b, step){
       var A= [];
       if(typeof a== 'number'){
           A[0]= a;
           step= step || 1;
           while(a+step<= b){
               A[A.length]= a+= step;
       else{
           var s= 'abcdefghijklmnopqrstuvwxyz';
           if(a=== a.toUpperCase()){
               b=b.toUpperCase();
               s= s.toUpperCase();
           s= s.substring(s.indexOf(a), s.indexOf(b)+ 1);
           A= s.split('');        
       return A;
   Array.prototype.remove = function() {
       var what, a = arguments, L = a.length, ax;
       while (L && this.length) {
           what = a[--L];
           while ((ax = this.indexOf(what)) !== -1) {
               this.splice(ax, 1);
       return this;
   };
   

8. remove()

   Array.prototype.remove = function() {
       var what, a = arguments, L = a.length, ax;
       while (L && this.length) {
           what = a[--L];
           while ((ax = this.indexOf(what)) !== -1) {
               this.splice(ax, 1);
       return this;
   ...
   

9. remove(/**Number*/ from, /**Number*/ to)

   Array.prototype.remove = function( from,  to)
     var rest = this.slice((to || from) + 1 || this.length);
     this.length = from < 0 ? this.length + from : from;
     return this.push.apply(this, rest);
   };