Created
March 4, 2022 02:03
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Firefox bug: Image natural sizes reported incorrectly after the decode method has finished
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Image width/height after decode</title> | |
| <script> | |
| window.onload = function() { | |
| const img = document.getElementsByTagName('img')[0] | |
| if (img.complete) { | |
| img.src = "http://www.fillmurray.com/100/100" | |
| console.log("before decode", img.naturalHeight, img.naturalWidth) | |
| img.decode().then(() => { | |
| console.log("after decode", img.naturalHeight, img.naturalWidth) | |
| }).catch(e => { | |
| console.log("decode error", e) | |
| }) | |
| } else { | |
| console.log("image not loaded") | |
| } | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" /> | |
| </body> | |
| </html> |
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