You can use sortBy function of lodash. var users = [ { ‘user’: ‘fred’, ‘age’: 48 }, { ‘user’: ‘barney’, ‘age’: 36 }, { ‘user’: ‘fred’, ‘age’: 40 }, { ‘user’: ‘barney’, ‘age’: 34 } ]; _.sortBy(users, [function(o) { return o.user; }]); // => objects for [[‘barney’, 36], [‘barney’, 34], [‘fred’, 48], [‘fred’, 40]] solved … Read more
First, create an object using the given data and collect the keys and their values. { A: [1, 2], C: [“FOO”, “BAR”] } Then, get the Cartesian product of this object. The function getCartesian separates all key/value pairs and builds a new Cartesian product by iterating over the values, if an array with objects call … Read more
You can simply get the data by key: data.performance.fundBtcArr ,data.performance.fundUsdArr,data.performance.btcUsdArr var data={“performance”: {“datesArr”: [“2018-04-30”, “2018-05-07”, “2018-05-14”, “2018-05-21”, “2018-05-28”, “2018-06-04”, “2018-06-11”, “2018-06-18”, “2018-06-25”, “2018-07-02”, “2018-07-09”], “fundBtcArr”: [1, 0.956157566, 0.988963214, 0.992333066, 1.118842298, 1.064376568, 1.109733638, 1.082080679, 1.142624866, 1.1107828743809005, 1.0626307952408292], “fundUsdArr”: [1, 0.974710531, 0.944055086, 0.903073518, 0.869041365, 0.870284702, 0.815468401, 0.789070479, 0.777083258, 0.8027552300742684, 0.7766297878480255], “btcUsdArr”: [1, 1.019403669, 0.954590699, 0.910050818, 0.77673267, 0.81764737, … Read more
You can use newCollection or manipulate in the collection like this collection.forEach((item)=>{ item.rowMatch = (collection.filter((e)=>{return (e.name==item.name&&e.phone==item.phone)}).length>1)?’true’:’false’; }) console.log(collection) Simple is that.Here is working JSFiddle for it https://jsfiddle.net/touqeer/pgdsw9Le/1/ . 11 solved How to compare each object in an array with each other. When found update the object with a new property
Lodash allow you to do that pretty easily: var sortedDept = _.groupBy(arr, function(ite){return ite.deptName}); Now you can access by sortedDept.Marketing –> give you an array with only marketing related object. And just display those values. 2 solved JavaScript object array Group By and Get values
compare two array of objects javascript and throw the unmatched array elements into new array using underscore or lodash [closed] solved compare two array of objects javascript and throw the unmatched array elements into new array using underscore or lodash [closed]
This is a good use case for reduce. const rawData = [ { date: ‘3/10/2019’, a: ‘123’, }, { date: ‘3/10/2019’, b: ‘456’, }, { date: ‘3/11/2019’, a: ‘789’, }, { date: ‘3/11/2019’, b: ‘012’, }, { date: ‘3/11/2019’, c: ‘345’, } ]; const groupByDate = array => array.reduce((results, item) => { const current = … Read more
As charlietfl said, in the future posts you must provide examples of code, that you’ve written to solve your problem. Here’s the solution, it’s pretty simple: const initialObject = { “items”: [ { “_id”: “admin”, “authorities”: [ { “name”: “ROLE_ADMIN” } ] }, { “_id”: “user”, “authorities”: [ { “name”: “ROLE_USER” } ] } ] … Read more
You could filter the value after a check, if the lower case value is included in the fields array. var mainArray = [“Title”, “AssignedTo”, “IssueStatus”, “Priority”, “Comment”, “Category”, “RelatedIssues”, “V3Comments”, “TaskDueDate”, “Attachments”], fields = [“title”, “comment”], result = mainArray.filter(a => fields.includes(a.toLowerCase())); console.log(result); ES5 var mainArray = [“Title”, “AssignedTo”, “IssueStatus”, “Priority”, “Comment”, “Category”, “RelatedIssues”, “V3Comments”, “TaskDueDate”, … Read more
You can use the join method : https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/join yourArray.join(“,”) 1 solved To convert each number to string and concatenate them