Nodejs Array Remove removeSame()

Method Source Code

Array.prototype.removeSame = function() {
   let theNewArray = [];/*ww  w. ja  v a 2s.c  om*/
   this.map((value, index, array) => {
      if (array.indexOf(value) === index) {
         theNewArray.push(value);
      }
   });
   return theNewArray;
};

Related

1. removeEmpty()

   Array.prototype.removeEmpty = function () {
     for (var i = 0; i < this.length; ++i) {
       if (this[i].replace(/^\s*$/, "") === "") {
         this.splice(i--, 1);
     return this;
   };
   

2. removeEmpty()

   Array.prototype.removeEmpty = function() {
     var cleanArray = this.filter(function(n) {
         return (n !== undefined && n !== null && n !== '');
     });
     return cleanArray;
   };
   

3. removeMultiple(values)

   Array.prototype.removeMultiple = function(values)
     for (var i = 0; i < values.length; i++)
       this.splice(this.indexOf(values[i]), 1);
       i--;
   

4. removeNegatives()

   Array.prototype.removeNegatives = function() {
     var negCount = 0;
     for (var index = 0; index < this.length; index++) {
       if(this[index] >= 0){
         this[index - negCount] = this[index];
       } else {
         negCount++
     this.length = this.length-negCount;
   array2 = [-1,2.4,-3.1,4,-5.0,-6];
   array2.removeNegatives();
   console.log(array2);
   

5. removeRange(start, end)

   Array.prototype.removeRange = function(start, end){
     this.splice(start, end-start);
   

6. removeWhere(property, value)

   Array.prototype.removeWhere = function (property, value) {
       "use strict";
       for(var i = 0; i < this.length; i++) {
           if(this[i][property] === value) {
               this.splice(i, 1);
               break;
   };
   ...
   

7. remove_(integer_list, value_list)

   Array.prototype.remove_ = function(integer_list, value_list) {
     return integer_list.filter( function(i) {
       return !value_list.some(function(v) {
         return v === i;
       });
     });
   var l = []
   var integer_list =  [1, 1, 2 ,3 ,1 ,2 ,3 ,4]
   ...
   

8. remove_(integer_list, values_list)

   Array.prototype.remove_ = function(integer_list, values_list){
   var arr = integer_list;
   var newarr;
   function list (integers_list, value) {
     for (var j = 0; j<integers_list.length; j++) {
         if (value!==integers_list[j]) {
           newarr.push(integers_list[j]);
       return newarr;
     for (var i = 0; i<values_list.length; i++) {
       newarr = [];
       arr = list(arr, values_list[i])
     return arr;
   

9. remove_value(value)

   Array.prototype.remove_value = function(value){
       var len = this.length,
           i;
       for(i = 0;i < len;i+=1){
           if(this[i] === value){
               this.splice(i,1);
               i-=1;