JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>

JavaScript

var myArr = [{"name":"abc"},{"name":"efg"},{"name":"abc"}];
var newArr = _.uniq(myArr, 'name');
console.log(JSON.stringify(newArr));