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Javascript 2022-03-18 07:30:11
reverse keys and values in object javascript
//The concise way by using ES6 syntax like this. const obj = {A : 1, B : 2, C : 3, D : 4} function objectFlip(obj) { return Object.entries(obj).reduce((acc, [key, value]) => (acc[value] = key, acc), {}) } console.log('input: ',obj); console.lo... Add solution -
Javascript 2022-02-03 11:51:41
javascript group by sum array reduce
var array = [ { Id: "001", qty: 1 }, { Id: "002", qty: 2 }, { Id: "001", qty: 2 }, { Id: "003", qty: 4 } ]; var result = []; array.reduce(function(res, value) { if (!res[value.Id]) { res[value.Id] ... Add solution -
Javascript 2022-01-26 02:46:21
javascript, reduce
const sum = array.reduce((accumulator, element) => { return accumulator + element; }, 0); // An example that will loop through an array adding // each element to an accumulator and returning it // The 0 at the end initializes accumulator to start at ... Add solution -
Other 2021-11-18 13:44:14
filter array object by its elements
const things = { thing: [ { place: 'here', name: 'stuff' }, { place: 'there', name: 'morestuff1' }, { place: 'there', name: 'morestuff2' }, ], }; const removeDuplicates = (array, key) => { return array.reduce((arr, item) => { ... Add solution -
Javascript 2021-11-18 02:00:15
how to merge duplicate value in array of object site:stackoverflow.com
var myArray = [ {productId: 116605, productserialno: "324234"}, {productId: 106290, productserialno: "12121"}, {productId: 106290, productserialno: "12121"}, {productId: 106293, productserialno: "4324343&... Add solution -
Javascript 2021-11-17 18:33:15
js sum array of objects to new group
var array = [ { Id: "001", qty: 1 }, { Id: "002", qty: 2 }, { Id: "001", qty: 2 }, { Id: "003", qty: 4 } ]; var result = []; array.reduce(function(res, value) { if (!res[value.Id]) { res[value.Id] ... Add solution -
Javascript 2021-10-10 04:33:13
reverse key and value in object js
//The concise way by using ES6 syntax like this. const obj = {A : 1, B : 2, C : 3, D : 4} function objectFlip(obj) { return Object.entries(obj).reduce((acc, [key, value]) => (acc[value] = key, acc), {}) } console.log('input: ',obj); console.lo... Add solution -
CSS 2021-10-05 02:42:02
Loop Over Array of Objects and Combine them if they have similar keys
//Convert This var array = [ {id=1, name = "Orange"}, {id=1, name = "Blue"}, {id=1, name = "Green"}, {id=2, name = "Blue"}, {id=3, name = "Orange"}, {id=3, name = "Blue"} ] //t... Add solution
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