Benchmark: includes vs substring

Tests:

startsWith
const str = "https://firebase.com/this/is/a/long/thing" str.includes("https://firebase")
substr
const str = "https://firebase.com/this/is/a/long/thing" const subStr = str.substring(0, 16); str === subStr

Rendered benchmark preparation results:

Previous results

Test case name	Result
startsWith
substr

Latest run results:

Run details: (Test run date: 4 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:143.0) Gecko/20100101 Firefox/143.0

Browser/OS: Firefox 143 on Linux

startsWith

980.9M/s

substr

975.3M/s

View exact numbers

Test name	Executions per second
✓ startsWith	980,868,864 Ops/sec
substr	975,338,880 Ops/sec

includes vs substring (version: 1)