Run results for: with/without regex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
with regexp	242659.7 Ops/sec
without	243238.8 Ops/sec

Tests:

with regexp
function getDisplayName(definitionName, checkBundleId = true) { let displayName; const name = definitionName || ''; if (checkBundleId) { const bundleId = getBundleId(definitionName); displayName = name.substring(name.lastIndexOf(':') + 1); } else { displayName = name.substring(name.lastIndexOf(':') + 1); } return displayName; } function getBundleId(definitionName) { const name = definitionName || ''; const matches = name.match(/(.+):/); return (matches && matches.pop()) || ''; } const res = getDisplayName('foo:bar'); console.log(res);
without
function getDisplayName(definitionName, checkBundleId = true) { let displayName; const name = definitionName || ''; if (checkBundleId) { const bundleId = getBundleId(definitionName); displayName = name.substring(name.lastIndexOf(':') + 1); } else { displayName = name.substring(name.lastIndexOf(':') + 1); } return displayName; } function getBundleId(definitionName) { const name = definitionName || ''; const matches = name.split(':')[0]; return matches || ''; } const res = getDisplayName('foo:bar'); console.log(res);