Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
one year ago
String literally
605.8M/s
clsx
10.8M/s
String based (return struct)
8.5M/s
String based (if-else struct)
8.1M/s
classnames
7.6M/s
Entries, filter, map, join
7.1M/s
Array based
5.1M/s
View exact numbers
Test name Executions per second
String literally 605,754,880 Ops/sec
clsx 10,792,254 Ops/sec
String based (return struct) 8,464,825 Ops/sec
String based (if-else struct) 8,079,503 Ops/sec
classnames 7,623,748 Ops/sec
Entries, filter, map, join 7,123,738 Ops/sec
Array based 5,104,956 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests: