Run results for: Loadash vs underscore simple and complex

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/110.0

Browser: Firefox 110

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
underscore complex	1186850.0 Ops/sec
loadas complex	447211.5 Ops/sec
under simple	3327054.8 Ops/sec
lodash simple	1339510.9 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>
<script type="text/javascript">
  window.lodash = _;
  _ = null;
</script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.13.6/underscore-min.js'></script>
<script type="text/javascript">
  window.underscore = _;
  _ = null;
</script>

Script Preparation code:

var obj1 = {
    0: {
        1: {
            key: 'one'
        }
    }
};

var obj1copy = {
    0: {
        1: {
            key: 'one'
        }
    }
};

var obj2 = {
    0: {
        1: {
            key: 'two'
        }
    }
};

function isEqual(a, b) {
    return JSON.stringify(a) === JSON.stringify(b)
}

var obj3 = {
    key: 'one'
}

var obj3copy = {
    key: 'one'
}

Tests:

underscore complex
underscore.isEqual(obj1, obj1copy);
loadas complex
lodash.isEqual(obj1, obj1copy);
under simple
underscore.isEqual(obj3, obj3copy);
lodash simple
lodash.isEqual(obj3, obj3copy);

Run results for: Loadash vs underscore simple and complex

underscore complex

loadas complex

under simple

lodash simple