Nodejs Array Flatten flatten()

Method Source Code

Array.prototype.flatten = function(){
   return this.reduce(function(flat, val, i, hilly){
      Array.isArray(val) ? flat.concat(val.flatten()) : flat.concat(val);
   }, []);//from  w  ww .  ja  va  2s .c  o  m
}

Related

1. flatten()

   function flatten (ary) {
     var ret = []
     for (var i = 0; i < ary.length; i++) {
       if (Array.isArray(ary[i])) {
         ret = ret.concat(flatten(ary[i]))
       } else {
         ret.push(ary[i])
     return ret
   Array.prototype.flatten = function () {
     var ret = []
     for (var i = 0; i < this.length; i++) {
       if (Array.isArray(this[i])) {
         ret = ret.concat(this[i].flatten())
       } else {
         ret.push(this[i])
     return ret
   function flattenReduce (ary) {
     return ary.reduce(function (a, b) {
       if (Array.isArray(b)) {
         return a.concat(flattenReduce(b))
       return a.concat(b)
     }, [])
   

2. flatten()

   Array.prototype.flatten = function (){
       var array = this;
       var newArray = [];
       recursive(array);
       function recursive (arr){
           for (var i = 0; i < arr.length; i++) {
               if (arr[i] instanceof Array) {
                   recursive(arr[i]);
               } else {
   ...
   

3. flatten()

   Array.prototype.flatten = function(){
       var array = this;
       var processedArray = [];
       for(var i = 0; i < array.length; i++){
           if(array[i] instanceof Array){
               var subArray = array[i].flatten();
               processedArray.push.apply(processedArray,subArray);
           else {
   ...
   

4. flatten()

   Array.prototype.flatten = function() {
       function getArrayElements(array, result) {
           if(!result) {
               result = [];
           for (var i=0; i<array.length; i++) {
               if(Array.isArray(array[i])) {
                   getArrayElements(array[i], result);
               }else {
   ...
   

5. flatten()

   Array.prototype.flatten = function() {
       return this.inject([], function(array, value) {
         if (DiaFluxUtils.isArray(value))
           return array.concat(value.flatten());
         array.push(value);
         return array;
       });
   

6. flatten()

   Array.prototype.flatten = function () {
       var result = [];
       function flatten(elements, output) {
           elements.forEach(function (element) {
               if (!(typeof element === 'object' || typeof element === typeof Array)) {
                   output.push(element);
               else {
                   flatten(element, output);
   ...
   

7. flatten()

   Array.prototype.flatten = function() {
       return Array.prototype.concat.apply([], this);
   

8. flatten()

   Array.prototype.flatten = function() {
       var resultArray = [];
       function getValues(array) {
           var i;
           for (i = 0; i < array.length; i += 1) {
               var value = array[i];
               if (Array.isArray(value)) {
                   getValues(value);
               } else {
   ...
   

9. flatten()

   Array.prototype.flatten = function () {
       var thisArr = this;
       var newArr  = [];
       recursive(thisArr);
       function recursive (arr) {
           for (var i = 0; i < arr.length; i++) {
               if (arr[i] instanceof Array) {
                   recursive(arr[i]);
               } else {
   ...