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January 4, 2017 09:41
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| 'use strict'; | |
| // See http://eprev.org/2017/01/04/the-importance-of-html-character-encoding/ | |
| const http = require('http'); | |
| http.createServer((request, response) => { | |
| let charset; | |
| switch (request.url) { | |
| case '/charset-is-specified': | |
| charset = 'utf-8'; | |
| case '/charset-is-not-specified': | |
| response.writeHead(200, { | |
| 'Content-Type': charset ? 'text/html; charset=utf-8' : 'text/html', | |
| }); | |
| // Early-head | |
| response.write(` | |
| <!doctype html> | |
| <html><head> | |
| <title>Charset Encoding Test</title> | |
| <script src="/scripts.js" async onload="console.log({scripts: performance.now()})"></script> | |
| <link href="/styles.css" rel="stylesheet" onload="console.log({styles: performance.now()})"> | |
| <script>document.addEventListener('DOMContentLoaded', () => console.log({DOMContentLoaded: performance.now()}))</script> | |
| </head> | |
| `); | |
| // The rest of the document | |
| setTimeout(() => { | |
| response.end('<body></body></html>'); | |
| }, 1000); | |
| break; | |
| case '/scripts.js': | |
| response.writeHead(200, { | |
| 'Content-Type': 'application/javascript', | |
| }); | |
| response.end(); | |
| break; | |
| case '/styles.css': | |
| response.writeHead(200, { | |
| 'Content-Type': 'text/css', | |
| }); | |
| response.end(''); | |
| break; | |
| default: | |
| response.writeHead(404, { | |
| 'Content-Type': 'text/plain', | |
| }); | |
| response.end(); | |
| } | |
| }).listen(4000); |
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