Run results for: lodash merge vs jquery extend

Test name	Executions per second
✓ jQuery 2: extend	802,290 Ops/sec
jQuery 1: extend	695,474 Ops/sec
Lodash 1: merge	616,881 Ops/sec
Lodash 4: merge	492,642 Ops/sec
jQuery 3: extend	473,538 Ops/sec
Lodash 3: merge	441,122 Ops/sec
Lodash 2: merge	251,196 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.3.1/lodash.min.js" integrity="sha256-3kEfn+8v7t7DmcwargHKPeQZ7tz2jn5OCS4gVNtyMJo=" crossorigin="anonymous"></script>
<script>
window._1 = _.noConflict();
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/2.4.2/lodash.min.js" integrity="sha256-rKk2QnJsnOCsuS8oSzkedgInNJbYmA09J0w26nVBpss=" crossorigin="anonymous"></script>
<script>
window._2 = _.noConflict();
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.10.1/lodash.min.js" integrity="sha256-v2PESRFA3ocCdVenwVx0H2XIPZgnQ0exBaBqIOBc540=" crossorigin="anonymous"></script>
<script>
window._3 = _.noConflict();
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js" integrity="sha256-8E6QUcFg1KTnpEU8TFGhpTGHw5fJqB9vCms3OhAYLqw=" crossorigin="anonymous"></script>
<script>
window._4 = _.noConflict();
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js" integrity="sha256-ZosEbRLbNQzLpnKIkEdrPv7lOy9C27hHQ+Xp8a4MxAQ=" crossorigin="anonymous"></script>
<script>
window.jQuery1 = window.$1 = $.noConflict(true);
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js" integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script>
<script>
window.jQuery2 = window.$2 = $.noConflict(true);
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js" integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8=" crossorigin="anonymous"></script>
<script>
window.jQuery3 = window.$3 = $.noConflict(true);
</script>

Run results for: lodash merge vs jquery extend

lodash merge vs jquery extend

jQuery 1: extend

jQuery 2: extend

jQuery 3: extend

Lodash 1: merge

Lodash 2: merge

Lodash 3: merge

Lodash 4: merge