JSFiddle - React, Tailwind, and code Playground

by luwes

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.js"></script>

JavaScript

var obj = {
  'firstName': undefined,
  'lastName' : undefined
};

var foo = {
	'bar': obj,
  none: {}
};

console.log(_.has(foo, 'bar')); // true
console.log(_.has(foo, 'none')); // true