Here’s how to flatten an array using lodash.flatten:const flatten = require('lodash.flatten') const animals = ['Dog', ['Sheep', 'Wolf']] flatten(animals) //['Dog', 'Sheep', 'Wolf']Let’s now talk about the native flat() and flatMap() JavaScript methods now....
In vanilla JavaScript, you can use the Array.concat() method to flatten a multi-dimensional array. This method works in all modern browsers, and IE6 and above.Here is an example:const animals = [ ['🐍'], ['🐢'], ['🐝'], ['🐉'], ['🐋'] ]; const flattened = []....
It was always complicated to flatten an array in JS. Not anymore! ES2019 introduced a new method that flattens arrays with Array.flat()...
If you are given an array that contains literals, arrays and objects and you want to get all the values to one array. Here is the snippet using recursive function to attain that. functionimplode(arr){varres = [];for(vari =0; i < arr.length ; i++) {if(Array.isArray(arr[i])) ...
underscore.js _.flatten[Array] Flattens a nestedarray(the nesting can be to any depth). If you passshallow, the array will only be flattened a single level 将多维嵌套数组转换成一维数组,如果shallow的值为true,数组嵌套级别只提升一级 1_.flatten([...
The idea is to iterate the array usingforEachand if the element itself is an array (Array.isArray) – werecursivelyflatten andconcatto the result array. Otherwise, the element is simply pushed toresultarray. NodeJs / Javascript –EOF (The Ultimate Computing & Technology Blog) — ...
ES2019引入了Array.prototype.flat()方法,你可以使用它来展开数组。它兼容大多数环境, 尽管在Node.js 11版本及以上才可用,在Internet Explorer中则不可用。 const arrays = [ ["$6"], ["$12"], ["$25"], ["$25"], ["$18"], ["$22"], ["$10"] ]; const merge3 = arrays.flat(1); //...
npm install array-flatten --save Usage import{flatten}from"array-flatten"; flatten([1,[2,[3,[4,[5],6],7],8],9]); //=> [1, 2, 3, 4, 5, 6, 7, 8, 9] (function(){ flatten(arguments);//=> [1, 2, 3] })(1,[2,3]); ...
We useArray.isArrayto check if the element itself is an array. Please note that we define the local function that is only visible inside the function block i.e. unrollArray. 1 2 varx=unrollArray([1,3,[5,7,[9,11]],13]);// x = [1, 3, 5, 7, 9, 11, 13]; ...
array map set filter reduce flatten concat every some felixfbecker •1.2.1•5 years ago•129dependents•ISCpublished version1.2.1,5 years ago129dependentslicensed under $ISC 17,627,773 reduce-flatten Isomorphic map-reduce function to flatten an array into the supplied array ...