Run results for: indexOf vs $.inArray

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.1.0; ONEPLUS A5010 Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36

Browser: Chrome Mobile 69

Operating system: Android 8.1.0

Device Platform: Mobile

Date tested: 6 years ago

Test name	Executions per second
indexOf first	5343112.0 Ops/sec
$.inArray first	1399141.6 Ops/sec
indexOf last	5029596.0 Ops/sec
$.inArray last	251745.3 Ops/sec
indexOf middle	5370586.0 Ops/sec
$.inArray middle	423628.0 Ops/sec
indexOf	1880309.9 Ops/sec
$.inArray	145314.9 Ops/sec

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>

Script Preparation code:

var array_list = [];
for (var i = 0; i < 1000; i++) {
	array_list[i] = i;
}

Tests:

indexOf first
array_list.indexOf(0);
$.inArray first
jQuery.inArray(0, array_list);
indexOf last
array_list.indexOf(999);
$.inArray last
jQuery.inArray(999, array_list);
indexOf middle
array_list.indexOf(499);
$.inArray middle
jQuery.inArray(499, array_list);
indexOf
array_list.indexOf(0); array_list.indexOf(499); array_list.indexOf(999);
$.inArray
jQuery.inArray(0, array_list); jQuery.inArray(499, array_list); jQuery.inArray(999, array_list);

Run results for: indexOf vs $.inArray

indexOf first

$.inArray first

indexOf last

$.inArray last

indexOf middle

$.inArray middle

indexOf

$.inArray