Created
September 30, 2022 16:53
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Fullscreen test JS
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| <!doctype html> <title> fullscreen test </title> | |
| <style> | |
| body { | |
| margin: auto; | |
| max-width: 35rem; | |
| } | |
| my-fullscreen { | |
| border: 3px solid red; | |
| display: block; | |
| padding: 1rem; | |
| } | |
| my-fullscreen[ data-is-fullscreen = 'true' ] { | |
| background: #f8fff8; | |
| } | |
| button { | |
| font-size: inherit; | |
| padding: .4rem 1rem; | |
| } | |
| </style> | |
| <h1> fullscreen test </h1> | |
| <my-fullscreen> | |
| <button>Fullscreen</button> | |
| <p> Hello world! | |
| <p> ... </p> | |
| </my-fullscreen> | |
| <script> | |
| const FS_ELEM = document.querySelector('my-fullscreen'); | |
| const FS_BTN = document.querySelector('my-fullscreen > button'); | |
| FS_BTN.addEventListener('click', ev => { | |
| ev.preventDefault(); | |
| console.debug('Click:', ev); | |
| if (!document.fullscreenElement) { | |
| FS_ELEM.requestFullscreen().then(() => console.debug('Fullscreen OK', document.fullscreenElement)); | |
| FS_ELEM.dataset.isFullscreen = true; | |
| } else { | |
| document.exitFullscreen(); | |
| FS_ELEM.dataset.isFullscreen = false; | |
| } | |
| }); | |
| </script> | |
| <pre> | |
| NDF, 29-Sep-22. | |
| * https://developer.mozilla.org/en-US/docs/Web/API/Fullscreen_API | |
| </pre> |
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