Run results for: searching for element in array - MeasureThat.net

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
[].includes small	30706360.0 Ops/sec
val in array small	110767900.0 Ops/sec
[].includes large beginning	29101510.0 Ops/sec
val in array large beginning	111070700.0 Ops/sec
[].ncludes large end	98366.8 Ops/sec
val in array large end	110487100.0 Ops/sec
_.includes large	115401.4 Ops/sec
indexOf smallArray	38506990.0 Ops/sec

Website performance monitoring

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:

[].includes small
mySmallArray.includes(5);
[].includes large beginning
myLargeArray.includes(5);
[].ncludes large end
myLargeArray.includes(4000);
_.includes large end
_.includes(myLargeArray, 4000);
indexOf smallArray
mySmallArray.indexOf(5) >= 0;
indexOf largeArray beginning
myLargeArray.indexOf(5) >= 0;
indexOf largeArray end
myLargeArray.indexOf(4000) >= 0;