Run results for: exec vs split

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
split	81885.9 Ops/sec
exec	97155.9 Ops/sec

Tests:

split
function parse(str){ str.split('\n').map(item => item.split(' ')); } function getStack() { try { throw new Error(); } catch(e) { return e.stack; } } function Hello() { parse(getStack()); } function foo(params) { params() } const boo=()=>{Hello()} foo(boo)
exec
function parse(str){ var regex = /^\s*at (?:((?:\[object object\])?[^\\/]+(?: \[as \S+\])?) )?$?(.*?):(\d+)(?::(\d+))?$?\s*$/i; regex.exec(str); } function getStack() { try { throw new Error(); } catch(e) { return e.stack; } } function Hello() { parse(getStack()); } function foo(params) { params() } const boo=()=>{Hello()} foo(boo)