Run results for: Performance Test: substring vs substr vs slice vs split - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:126.0) Gecko/20100101 Firefox/126.0

Browser: Firefox 126

Operating system: Linux

Device Platform: Desktop

Date tested: 4 months ago

Test name	Executions per second
slice	644565600.0 Ops/sec
substring	634350500.0 Ops/sec
substr	620312800.0 Ops/sec
split	5467328.0 Ops/sec

Website performance monitoring

Script Preparation code:

var string = "I am the god of hellfire, and I bring you..."

Tests:

slice
var substring = string.slice(17, 25);
substring
var substring = string.substring(17, 25);
substr
var substring = string.substr(17, 25);
split
var substring = string.split(',')[1];