Run results for: indexOf vs $.inArray

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

Browser: Chrome 125

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

indexOf first

11.5M/s

indexOf middle

7.6M/s

indexOf last

5.6M/s

$.inArray first

4.0M/s

$.inArray middle

3.4M/s

$.inArray last

3.0M/s

indexOf

2.7M/s

$.inArray

1.2M/s

View exact numbers

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);