Nodejs Array Remove by Value removeItem(value)

Method Source Code

"use strict";/*from  w  w  w  .j a va2s . co m*/
Array.prototype.removeItem = function (value) {
    for (var i in this) {
        if(this[i] === value) {
            this.splice(i, 1);
        }
    }
};

//examples below

var arr = ['hi', 'bye', 'hello' ];
console.log('before: ' + JSON.stringify(arr));
arr.removeItem('bye');
console.log('after: ' + JSON.stringify(arr));

var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
console.log('before: ' + JSON.stringify(arr));
arr.removeItem(1);
console.log('after: ' + JSON.stringify(arr));

Related

1. removeItem(value)

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

2. removeItem(value)

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

3. removeItem(value)

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

4. removeItem(value)

   "use script"
   Array.prototype.removeItem = function(value) {
       if(typeof value === 'number' || typeof value === 'string') {
           for (var index in this) {
               if(this[index] === value) {
                   this.splice(index, 1);
   };
   var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   arr.removeItem(1);
   console.log(arr);
   arr = ['hi', 'bye', 'hello' ];
   arr.removeItem('bye');
   console.log(arr);
   

5. removeItem(value)

   Array.prototype.removeItem = function (value) {
       var items = this.slice(0),
           newArray = [],
           i;
       for(i = 0; i < items.length; i++) {
           if(items[i] === value) {
               continue;
           newArray.push(items[i]);
   ...
   

6. removeItem(value)

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

7. removeItem(value)

   Array.prototype.removeItem = function (value) {
       return this.filter(function (v) {
           return v !== value;
       })
   };
   var arr = [1, 2, 1, 4, 1, 3, 4, 1, 111, 3, 2, 1, '1'];
   console.log(arr.removeItem(1));
   arr = ['hi', 'bye', 'hello' ];
   console.log(arr.removeItem('bye'));
   ...
   

8. removeItem(value)

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

9. removeValue(int)

   Array.prototype.removeValue = function(int) {
     var ans = [];
     var count = 0;
     for (i = 0; i < this.length; i++) {
       if (this[i] !== int) {
         ans.push(this[i]);
       } else if (this[i] === int) {
         count++;
     if (count === 0) {
       return false;
     return ans;