Run results for: string includes vs foreach (split)

Run details:

User agent: Mozilla/5.0 (Linux; Android 13; Pixel 4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 106

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
string includes	654666.1 Ops/sec
string foreach (split)	389704.6 Ops/sec

Script Preparation code:

var arr1 = "string 1234"
var arr2 = ["A","B","C","D","a","b","c"]

Tests:

string includes
arr2.map(x => { if (arr1.includes(x)) x.disabled = true; return x; });
string foreach (split)
arr2.map(x => { arr1.split("").forEach(y => { if (x.value === y) x.disabled = true; }); return x; });