Created
February 13, 2022 16:13
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<dialog> - Modal Dialog Element Test
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| <!doctype html> <title> Dialog element test </title> | |
| <meta charset=utf-8 /> | |
| <style> | |
| body { margin: 1rem auto; max-width: 30rem; } | |
| button, select { font-size: inherit; } | |
| button { padding: .4rem 2rem; margin-right: 1rem; } | |
| select { padding: .2rem 1rem; } | |
| #my-dialog { | |
| background: #fafafa; | |
| border: 2px solid #bbb; | |
| border-radius: .25rem; | |
| box-shadow: 3px 3px 4px black; | |
| X-min-width: 12rem; | |
| } | |
| /* Backdrop is only displayed when dialog is opened with dialog.showModal() */ | |
| #my-dialog::backdrop { | |
| background: rgba(230, 230, 230, .8); | |
| } | |
| </style> | |
| <h1> Dialog element test </h1> | |
| <menu> | |
| <button id="my-opener"> Open dialog </button> | |
| </menu> | |
| <dialog id="my-dialog"> | |
| <form method="dialog"> | |
| <h2> My dialog </h2> | |
| <p><label> Favourite animal: | |
| <select> | |
| <option></option> | |
| <option>Brine shrimp</option> | |
| <option>Red panda</option> | |
| <option>Spider monkey</option> | |
| </select> | |
| </label></p> | |
| <menu> | |
| <button value="cancel">Cancel</button> | |
| <button id="confirmBtn" value="default">Confirm</button> | |
| </menu> | |
| </form> | |
| </dialog> | |
| <script> | |
| const SHOW_BTN = document.querySelector('#my-opener'); | |
| const DIALOG = document.querySelector('#my-dialog'); | |
| const SELECT = DIALOG.querySelector('select'); | |
| const confirmBtn = DIALOG.querySelector('#confirmBtn'); | |
| console.assert(typeof DIALOG.showModal === 'function', '<dialog> not supported!'); | |
| SHOW_BTN.addEventListener('click', ev => { | |
| console.debug('Opener button click.'); | |
| // DIALOG.open = true; | |
| DIALOG.showModal(); | |
| }); | |
| DIALOG.addEventListener('close', ev => { | |
| console.assert(DIALOG.returnValue === ev.target.returnValue); | |
| console.debug('Dialog close. Return value:', ev.target.returnValue, ev); | |
| }); | |
| SELECT.addEventListener('change', ev => { | |
| console.debug('Select change:', ev.target.value, ev); | |
| confirmBtn.value = ev.target.value; | |
| }); | |
| </script> | |
| <pre> | |
| NDF, 11-Feb-2022. | |
| * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dialog | |
| </pre> |
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