How to do a deep comparison between 2 objects with lodash?

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An easy and elegant solution is to use _.isEqual, which performs a deep comparison:

var a = {};
var b = {};

a.prop1 = 2;
a.prop2 = { prop3: 2 };

b.prop1 = 2;
b.prop2 = { prop3: 3 };

console.log(_.isEqual(a, b)); // returns false if different
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>

However, this solution doesn’t show which property is different.

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