Run results for: slice vs substring performance

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0

Browser: Firefox 95

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
slice	231432100.0 Ops/sec
substring	208471400.0 Ops/sec

Script Preparation code:

var str = '<div>AAA A<p style="text-align: center;"><b><span style="font-family: "times new roman"; font-size: 12pt;"></span><span style="font-family: "times new roman"; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">AAA A</span></b><span style="font-family: "times new roman"; font-size: 12pt;"></span></p></div>';

Tests:

slice
var str1 = str.slice(20,50)
substring
var str1 = str.substring(20,50)