Nodejs Array Remove remove(element)

Method Source Code

/**/*from   ww w. j  ava  2 s.c o  m*/
 Write a function that removes all elements with a given value.
 Attach it to the array type.
 Read about prototype and how to attach methods.

 var arr = [1,2,1,4,1,3,4,1,111,3,2,1,'1'];
 arr.remove(1); //arr = [2,4,3,4,111,3,2,'1'];
 */

var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'],
    elementToRemove = 1;

Array.prototype.remove = function (element) {
    var index = this.indexOf(element);

    while (index > -1) {
        this.splice(index, 1);
        index = this.indexOf(element);
    }
};

console.log("REMOVE ELEMENTS");
console.log("Array:", arr);
arr.remove(elementToRemove);
console.log("Array after remove:", arr);

Related

1. remove(element)

   Array.prototype.remove = function(element){
     for (var i = 0; i < this.length; i++) {
       if(this[i] == element){
         this.splice(i, 1);
         i--;
     };
   var arr = [1,2,1,4,1,3,4,1,111,3,2,1,'1'];
   ...
   

2. remove(element)

   var array = [1, 1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   Array.prototype.remove = function (element) {
       if (this.length < 1) {
           console.log("The array object is empty.");
       var found = false;
       for (var i = 0; i < this.length; i++) {
           if (this[i] === element) {
               this.splice(i, 1);
   ...
   

3. remove(element)

   Array.prototype.remove = function (element) {
       var newArr = [];
       for (var i in this) {
           if (this[i] != element) {
               newArr.push(this[i]);
       return newArr;
   var arr = [1, 2, 1, 4, 1, "1", 3, 4, 1, 111, 3, 2, 1, "1"];
   var finalArr = arr.remove(1);
   for (var i in finalArr) {
       document.write(finalArr[i] + "</br>");
   

4. remove(element)

   Array.prototype.remove = function(element){
       for(var ind = 0; ind < this.length; ind++){
           if(this[ind] === element){
               this.splice(ind, 1);
               --ind;
       return this;
   var arr =  [1,2,1,4,1,3,4,1,111,3,2,1,'1'];
   console.log(arr.join(', '));
   arr.remove(1);
   console.log(arr.join(', '));
   

5. remove(element)

   Array.prototype.remove = function (element) {
       var newArr = [];
       for (var i in this) {
           if (this[i] != element) {
               newArr.push(this[i]);
       return newArr;
   var arr = [1, 2, 1, 4, 1, "1", 3, 4, 1, 111, 3, 2, 1, "1"];
   var finalArr = arr.remove(1);
   for (var i in finalArr) {
       document.write(finalArr[i] + "</br>");
   

6. remove(element)

   Array.prototype.remove = function(element)
       var res = false;
       for (var i = 0; i < this.length; i++) 
           if (this[i] == element) 
               this.splice(i--, 1);
               res = true;
   ...
   

7. remove(element)

   console.log('Problem 2. Remove elements');
   Array.prototype.remove = function (element) {
       while(this.indexOf(element)>=0){
           this.splice(this.indexOf(element),1);
       return this;
   var arr = [1,2,1,4,1,3,4,1,111,3,2,1,'1'];
   console.log(arr);
   ...
   

8. remove(element)

   var input = [1,2,1,4,1,3,4,1,111,3,2,1,'1'];
   removeElementsTest();
   function removeElementsTest() {
       console.log('Initial array: ' + input);
       input.remove(1);
       console.log('Removing 1 : ' + input);
       input.remove(2);
       console.log('\nRemoving 2 : ' + input);
   Array.prototype.remove = function (element) {
       var arr = this,
           index;
       for (index in arr) {
           if (arr[index] === element) {
               arr.splice(index, 1);
   };
   

9. remove(element)

   var array = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'], 
       element = 1;
   Array.prototype.remove = function (element) {
       var i,
           length;
       for (i = 0, length = this.length; i < length; i += 1) {
           if (this[i] === element) {
               this.splice(i, 1);
               i -= 1;
   ...