Run results for: forEach, for, for-of, map

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
forEach()	1147142.6 Ops/sec
for of	1160329.9 Ops/sec
map()	1039984.9 Ops/sec
for	1017532.7 Ops/sec

Script Preparation code:

const urls = [
    'http://localhost:3000/DEFAULT/allow/any',
    'http://localhost:3000/DEFAULT/disallow/any',
    'http://localhost:3000/DEFAULT/allow/file-type/*.png',
    'http://localhost:3000/DEFAULT/allow/ended-url$',
    'http://localhost:3000/DEFAULT/allow/query-string?id=rapid7/*.txt',
    'http://localhost:3000/slurp/allow/any',
    'http://localhost:3000/slurp/disallow/any',
    'http://localhost:3000/msnbot/allow/any',
    'http://localhost:3000/msnbot/disallow/any',
    'http://localhost:3000/googlebot/allow/any',
    'http://localhost:3000/googlebot/disallow/any'
];

Tests:

forEach()
let regexes = [/\/googlebot\/disallow\/any/, /slurp/]; let urls = [ 'http://localhost:3000/DEFAULT/allow/any', 'http://localhost:3000/DEFAULT/disallow/any', 'http://localhost:3000/DEFAULT/allow/file-type/*.png', 'http://localhost:3000/DEFAULT/allow/ended-url$', 'http://localhost:3000/DEFAULT/allow/query-string?id=rapid7/*.txt', 'http://localhost:3000/slurp/allow/any', 'http://localhost:3000/slurp/disallow/any', 'http://localhost:3000/msnbot/allow/any', 'http://localhost:3000/msnbot/disallow/any', 'http://localhost:3000/googlebot/allow/any', 'http://localhost:3000/googlebot/disallow/any' ]; urls.forEach((url) => { regexes.forEach((regex) => { if (regex.test(url)) { urls = urls.filter((item) => item !== url); } }); });
for of
let regexes = [/\/googlebot\/disallow\/any/, /slurp/]; let urls = [ 'http://localhost:3000/DEFAULT/allow/any', 'http://localhost:3000/DEFAULT/disallow/any', 'http://localhost:3000/DEFAULT/allow/file-type/*.png', 'http://localhost:3000/DEFAULT/allow/ended-url$', 'http://localhost:3000/DEFAULT/allow/query-string?id=rapid7/*.txt', 'http://localhost:3000/slurp/allow/any', 'http://localhost:3000/slurp/disallow/any', 'http://localhost:3000/msnbot/allow/any', 'http://localhost:3000/msnbot/disallow/any', 'http://localhost:3000/googlebot/allow/any', 'http://localhost:3000/googlebot/disallow/any' ]; for (const url of urls) { for (const regex of regexes) { if (regex.test(url)) { urls = urls.filter(item => item !== url) } } }
map()
let regexes = [/\/googlebot\/disallow\/any/, /slurp/]; let urls = [ 'http://localhost:3000/DEFAULT/allow/any', 'http://localhost:3000/DEFAULT/disallow/any', 'http://localhost:3000/DEFAULT/allow/file-type/*.png', 'http://localhost:3000/DEFAULT/allow/ended-url$', 'http://localhost:3000/DEFAULT/allow/query-string?id=rapid7/*.txt', 'http://localhost:3000/slurp/allow/any', 'http://localhost:3000/slurp/disallow/any', 'http://localhost:3000/msnbot/allow/any', 'http://localhost:3000/msnbot/disallow/any', 'http://localhost:3000/googlebot/allow/any', 'http://localhost:3000/googlebot/disallow/any' ]; urls.map(url => { regexes.map(regex => { if (regex.test(url)) { urls = urls.filter(item => item !== url) } }) })
for
let regexes = [/\/googlebot\/disallow\/any/, /slurp/]; let urls = [ 'http://localhost:3000/DEFAULT/allow/any', 'http://localhost:3000/DEFAULT/disallow/any', 'http://localhost:3000/DEFAULT/allow/file-type/*.png', 'http://localhost:3000/DEFAULT/allow/ended-url$', 'http://localhost:3000/DEFAULT/allow/query-string?id=rapid7/*.txt', 'http://localhost:3000/slurp/allow/any', 'http://localhost:3000/slurp/disallow/any', 'http://localhost:3000/msnbot/allow/any', 'http://localhost:3000/msnbot/disallow/any', 'http://localhost:3000/googlebot/allow/any', 'http://localhost:3000/googlebot/disallow/any' ]; for (let i = urls.length - 1; i >= 0; i--) { for (let j = regexes.length - 1; j >= 0; j--) { if (regexes[j].test(urls[i])) { urls = urls.filter(item => item !== urls[i]) } } }

Run results for: forEach, for, for-of, map

forEach()

for of

map()

for