Created
January 18, 2017 21:59
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1000 urls vs docs performance measurement
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>doc vs url</title> | |
| <script src="../URL/url.js"></script> | |
| </head> | |
| <body> | |
| <script> | |
| let doc; | |
| let count = 1000; | |
| let t = performance.now(); | |
| for (var i = 0; i < count; i++) { | |
| getUrl('b', 'http://localhost/'); | |
| } | |
| console.log(performance.now() - t, 'url time'); | |
| t = performance.now(); | |
| for (var i = 0; i < count; i++) { | |
| getUrlFromDoc('b', 'http://localhost/'); | |
| } | |
| console.log(performance.now() - t, 'doc time'); | |
| t = performance.now(); | |
| for (var i = 0; i < count; i++) { | |
| getUrlFromDoc('b', 'http://localhost/'); | |
| } | |
| console.log(performance.now() - t, 'doc time (again)'); | |
| function getUrl(url, base) { | |
| return new URL(url, base); | |
| } | |
| function getUrlFromDoc(url, base) { | |
| if (!doc) { | |
| const t = performance.now(); | |
| doc = document.implementation.createHTMLDocument('temp'); | |
| doc.__base = doc.createElement('base'); | |
| doc.head.appendChild(doc.__base); | |
| doc.__anchor = doc.createElement('a'); | |
| console.log(performance.now() - t, 'doc creation time'); | |
| } | |
| doc.__base.href = base; | |
| doc.__anchor.href = url; | |
| return doc.__anchor.href || url; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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