Created
December 27, 2018 11:58
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A description of the issue for webcomponentsjs library
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, minimum-scale=1, initial-scale=1, user-scalable=yes"> | |
| <title>Issue reproduction</title> | |
| <script src="../../webcomponentsjs/webcomponents-loader.js"></script> | |
| <style> | |
| html, | |
| body { | |
| margin: 0; | |
| padding: 0; | |
| } | |
| header { | |
| padding: 12px 24px; | |
| background-color: #C5E1A5; | |
| } | |
| output { | |
| max-width: 600px; | |
| margin: 40px auto; | |
| display: block; | |
| white-space: pre-wrap; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <header> | |
| <h1>Webcomponents.js issue</h1> | |
| </header> | |
| <output id="out"></output> | |
| <script> | |
| (function() { | |
| const load = function() { | |
| let log = ''; | |
| try { | |
| const doc = document.implementation.createDocument('', '', null); | |
| const main = doc.createElement('child-element'); | |
| doc.appendChild(main); | |
| const s = new XMLSerializer(); | |
| const value = s.serializeToString(doc); | |
| log = value; | |
| } catch (e) { | |
| if (e.stack) { | |
| log += e.stack; | |
| } else { | |
| log = e.message; | |
| } | |
| console.error(e); | |
| } | |
| document.getElementById('out').innerText = log; | |
| }; | |
| window.addEventListener('WebComponentsReady', load); | |
| })(); | |
| </script> | |
| </body> | |
| </html> |
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