JavaScript - merge two arrays of objects and de-duplicate based on property value

Question

I want to update (replace) the objects in my array with the objects in another array. Each object has the same structure. e.g.

var origArr = [
          


        

Answer 1

I came here looking for exactly this, saw @Gruff Bunny 's technique and wondered if 'lodash' wouldn't perhaps be a superior option even to 'underscore'?

Lo and behold :

let result = _.unionBy(updatingArr, origArr, 'name');