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Javascript 2022-03-11 05:30:33
javascript for group object properties based on another property
var list = [ { date: "2017-01-01", type: "type1", amount: 100 }, { date: "2017-01-01", type: "type2", amount: 150 }, { date: "2017-01-02",... Add solution -
BASIC 2022-02-18 16:20:01
freecodecamp basic algorithm scripting return largest numbers in arrays
function largestOfFour(arr) { var newArr = []; for(var i = arr.length - 1; i >= 0; i--){ arr[i].sort(function(a, b){return a - b}); newArr.push(arr[i][arr.length - 1]) } newArr.sort(function(a, b){return -b - a}); return newArr; } Add solution -
Javascript 2022-01-23 06:20:56
javascript counting sort
const countingSort = arr => { const min = arr.reduce((acc, v) => (acc < v ? acc : v)) const max = arr.reduce((acc, v) => (acc > v ? acc : v)) const count = new Map() for (let i = min; i <= max; i++) { count[i] = 0 } for ... Add solution -
Javascript 2021-11-19 19:27:20
javascript array add string
// initialize array var arr = ["Hi", "Hello", "Bonjour", "Hola"]; // append multiple values to the array arr.push("Salut", "Hey"); // display all values for (var i = 0; i < arr.length; i++) ... Add solution -
Javascript 2021-11-11 23:52:24
create a function that takes in an array of numbers and returns only the number that are even after 1 is added to the value
const evenAfter = (arr) => { let i = 0 let newArr = [] while (i <= arr.length) { if ((arr[i] + 1) % 2 === 0){ newArr.push(arr[i]) } i++ } return newArr } console.log(evenAfter([3,6... Add solution
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