Run results for: Substr vs slice vs replace

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Tests:

Replace
let str = "someverylongstringthatkeepsonlistingwordsthatdonotserveranyspecificpurposeotherthantestingpurposeforperformancedidyouknowthatsomeverylongstringcouldbegoingonforeverwhenandonlywhen$"; for (let i = 0; i < 500000; ++i) { str = str.replace('$', ''); }
Substr
let str = "someverylongstringthatkeepsonlistingwordsthatdonotserveranyspecificpurposeotherthantestingpurposeforperformancedidyouknowthatsomeverylongstringcouldbegoingonforeverwhenandonlywhen$"; for (let i = 0; i < 500000; ++i) { str = str.substr(0, str.length-1); }
Slice
let str = "someverylongstringthatkeepsonlistingwordsthatdonotserveranyspecificpurposeotherthantestingpurposeforperformancedidyouknowthatsomeverylongstringcouldbegoingonforeverwhenandonlywhen$"; for (let i = 0; i < 500000; ++i) { str = str.slice(0, -1); }