Nodejs Array Remove Item removeItem(item)

Method Source Code

Array.prototype.removeItem = function(item){
  for (var i = 0; i < this.length; i++) {
    if (this[i] === item) {
      this.splice(i,1);//from ww  w.  ja v  a2  s.  c o m
      i--;
    }
  }
};

var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
var arr2 = ['hi', 'bye', 'hello' ];
arr.removeItem(1);
arr2.removeItem('bye');

console.log(arr);
console.log(arr2);

Related

1. removeItem(deleteValue)

   Array.prototype.removeItem = function(deleteValue) {
       for (var i = 0; i < this.length; i++) {
           if (this[i] === deleteValue) {
               this.splice(i, 1);
               i--;
       return this;
   };
   ...
   

2. removeItem(el)

   var numberInput = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   var stringInput = ['hi', 'bye', 'hello' ];
   Array.prototype.removeItem = function (el){
       var newArr = [];
       for (var i = 0; i < this.length; i++) {
           if (this[i] !== el){
               newArr.push(this[i]);
       return newArr;
   console.log(numberInput.removeItem(1));
   console.log(stringInput.removeItem('bye'));
   

3. removeItem(index)

   Array.prototype.removeItem = function(index) {
     if(isNaN(index) || index > this.length) {
       return false;
       for (var i = 0; i < this.length; i++) {
           if (i > index) {
               this[i-1] = this[i];
       this.length -= 1;
   };
   

4. removeItem(item)

   Array.prototype.removeItem = function(item){
       while(this.indexOf(item) !== -1) {
           this.splice(this.indexOf(item), 1);
       return this;
   var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   console.log(arr.removeItem(1));
   var arr = ['hi', 'bye', 'hello' ];
   ...
   

5. removeItem(item)

   Array.prototype.removeItem = function(item) {
       while (this.indexOf(item) >= 0) {
           this.splice(this.indexOf(item), 1);
       console.log(this);
       return this;
   };
   var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   arr.removeItem(1);
   ...
   

6. removeItem(item)

   Array.prototype.removeItem = function(item) {
       var index = this.indexOf(item);
          if(index > -1){
              this.splice(index,1);
       return this;
   };
   var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   arr = arr.removeItem(1);
   ...
   

7. removeItem(item)

   Array.prototype.removeItem = function (item) {
       var result = [];
       for (var i = 0; i < this.length; i++) {
           if (this[i] !== item) {
               result.push(this[i]);
       return result;
   };
   ...
   

8. removeItem(item)

   Array.prototype.removeItem = function(item) { 
     for(var i = 0, l = this.length; i < l; ++i){
       index = this.indexOf(item);
       if (index > -1) {
         this.splice(index, 1);
     return this;
   

9. removeItem(item)

   Array.prototype.removeItem = function(item) {
     return this.remove(this.indexOf(item));