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Javascript 2021-09-06 10:48:02
how to remove duplicate array object in javascript
let person = [{name: "john"}, {name: "jane"}, {name: "imelda"}, {name: "john"}]; function removeDuplicates(data, key) { return [ ...new Map(data.map(item => [key(item), item])).values() ] }; console... Add solution -
TypeScript 2021-08-30 02:28:01
Given an array of integers, every element appears thrice except for one which occurs once.
let contacts = new Map() contacts.set('Jessie', {phone: "213-555-1234", address: "123 N 1st Ave"}) contacts.has('Jessie') // true contacts.get('Hilary') // undefined contacts.set('Hilary', {phone: "617-555-4321", address: &qu... Add solution
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