Created
June 11, 2021 23:10
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Get all CSS colors as a HashMap directly from W3.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>repl.it</title> | |
| <link href="style.css" rel="stylesheet" type="text/css" /> | |
| </head> | |
| <body> | |
| <script src="script.js"></script> | |
| <pre class="css_color_map"></pre> | |
| </body> | |
| </html> |
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| document.addEventListener('DOMContentLoaded', async () => { | |
| const w3_color_page = await fetch('https://www.w3.org/TR/css-color-4/'); | |
| const parser = new DOMParser(); | |
| const new_doc = parser.parseFromString( | |
| await w3_color_page.text(), | |
| 'text/html' | |
| ); | |
| const color_table_rows = Array.from( | |
| new_doc.querySelectorAll('.named-color-table tr') | |
| ); | |
| const color_names = color_table_rows.slice(1).reduce((acc, row) => { | |
| acc[row.querySelector('th').textContent.trim()] = row | |
| .querySelector('td:nth-child(4)') | |
| .textContent.trim(); | |
| return acc; | |
| }, {}); | |
| console.log(color_names); | |
| document.querySelector('.css_color_map').textContent = | |
| JSON.stringify(color_names, null, '\t'); | |
| }); |
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