Run results for: indexOf vs includes in strings

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
includes	1498346.0 Ops/sec
!~indexOf	1499284.0 Ops/sec
indexOf > -1	1505453.2 Ops/sec
indexOf !== -1	1503583.9 Ops/sec
test	1142791.1 Ops/sec
match	1057815.9 Ops/sec

Script Preparation code:

var long = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.';
var short = 'file.ext';

var s1 = 'tempor';
var s2 = '.ext';

var re1 = /tempor/;
var re2 = /\.ext/;

Tests:

includes
long.includes(s1); long.includes(s2); short.includes(s1); short.includes(s2);
!~indexOf
!~long.indexOf(s1); !~long.indexOf(s2); !~short.indexOf(s1); !~short.indexOf(s2);
indexOf > -1
long.indexOf(s1) > -1; long.indexOf(s2) > -1; short.indexOf(s1) > -1; short.indexOf(s2) > -1;
indexOf !== -1
long.indexOf(s1) !== -1; long.indexOf(s2) !== -1; short.indexOf(s1) !== -1; short.indexOf(s2) !== -1;
test
re1.test(long); re2.test(long); re1.test(short); re2.test(short);
match
long.match(re1) !== null; long.match(re2) !== null; short.match(re1) !== null; short.match(re2) !== null;

Run results for: indexOf vs includes in strings

includes

!~indexOf

indexOf > -1

indexOf !== -1

test

match