Underscore Sandbox
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.1/underscore-min.js"></script>
JavaScript
const l = { apples: "a", bananas: "b", cakes: "c" };
fields = ["apples", "bananas"];
const r = _.pick(l, fields2)
console.log(r)