Run results for: searching for element in array

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0

Browser: Firefox 62

Operating system: Windows 7

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
SMALL Array.includes(myValue)	35631020.0 Ops/sec
SMALL myValue in Array	124153200.0 Ops/sec
LARGE BEGINNING - Array.includes(myValue)	31968910.0 Ops/sec
LARGE BEGINNING - myValue in Array	105784800.0 Ops/sec
LARGE END- Array.includes(myValue)	107832.3 Ops/sec
LARGE END- myValue in Array	124373500.0 Ops/sec
lodash Large END	128387.6 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var mySmallArray = [1,2,3,4,5,6,7,8,9,10];
var myLargeArray = [];
for (var i = 0; i < 4096; i++) {
  myLargeArray.push(i); 
}

Tests: