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Opening details tag on hash/anchor
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<!doctype html><!-- This is a valid HTML5 document. --> | |
<!-- Screen readers, SEO, extensions and so on. --> | |
<html lang="en"> | |
<!-- Has to be within the first 1024 bytes, hence before the `title` element | |
See: https://www.w3.org/TR/2012/CR-html5-20121217/document-metadata.html#charset --> | |
<meta charset="utf-8"> | |
<!-- Why no `X-UA-Compatible` meta: https://stackoverflow.com/a/6771584 --> | |
<!-- The viewport meta is quite crowded and we are responsible for that. | |
See: https://codepen.io/tigt/post/meta-viewport-for-2015 --> | |
<meta name="viewport" content="width=device-width,initial-scale=1"> | |
<!-- Required to make a valid HTML5 document. --> | |
<title>Opening details tag on hash/anchor</title> | |
<style type="text/css"> | |
body { | |
font-size: 150%; | |
} | |
details { | |
font-size: 300%; | |
} | |
:target, | |
:target summary { | |
animation: target-fade 2s 1; | |
} | |
@keyframes target-fade { | |
0% { | |
background-color: rgba(255, 255, 221); | |
} | |
100% { | |
background-color: rgba(255, 255, 255); | |
} | |
} | |
</style> | |
<body> | |
<h2>Let’s have fun! (see below)</h2> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<details id="first-details"> | |
<summary>First: closed by default</summary> | |
<p>But open if <a href="#first-details">anchor</a>!</p> | |
<p>And open/scroll to the second <a href="#second-details">if we link to it</a>.</p> | |
</details> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<details id="second-details"> | |
<summary>Second: closed by default too</summary> | |
<p>But open if <a href="#second-details">anchor</a>!</p> | |
</details> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod | |
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, | |
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo | |
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse | |
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non | |
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p> | |
<script type="text/javascript"> | |
function getAnimationBehavior() { | |
// Respects users' preferences in terms of motion. | |
const isReduced = | |
window.matchMedia(`(prefers-reduced-motion: reduce)`) === true || | |
window.matchMedia(`(prefers-reduced-motion: reduce)`).matches === true | |
return isReduced ? 'auto' : 'smooth' | |
} | |
function getAnchor() { | |
return document.location.hash ? document.location.hash.slice(1) : '' | |
} | |
function openDetailsIfAnchor() { | |
const currentAnchor = getAnchor() | |
if (currentAnchor) { | |
let elem = document.querySelector(`#${currentAnchor}`) | |
elem.closest('details').setAttribute('open', '') | |
elem.scrollIntoView({ behavior: getAnimationBehavior() }) | |
} | |
} | |
openDetailsIfAnchor() | |
window.addEventListener('hashchange', openDetailsIfAnchor) | |
// Polyfills if you need to support IE9+ (see https://caniuse.com/element-closest) | |
// Comes from https://developer.mozilla.org/en-US/docs/Web/API/Element/closest#polyfill | |
if (!Element.prototype.matches) { | |
Element.prototype.matches = | |
Element.prototype.msMatchesSelector || | |
Element.prototype.webkitMatchesSelector | |
} | |
if (!Element.prototype.closest) { | |
Element.prototype.closest = function(s) { | |
var el = this | |
do { | |
if (Element.prototype.matches.call(el, s)) return el | |
el = el.parentElement || el.parentNode | |
} while (el !== null && el.nodeType === 1) | |
return null | |
} | |
} | |
// End of polyfills. | |
</script> | |
</body> | |
</html> |
- Oui c'est l'auto-complete de SublimeText qui me fait ça, je pense savoir où le changer mais j'ai un peu la flemme. Est-ce qu'il y a un impact autre que l'inutilité ?
Non, aucun impact.
- Ah oui bien vu (j'ai pas testé avec un IE), il faudrait ajouter un truc du style.
Ce polyfill ne marche que pour les details/summary présent dans le DOM au moment de son exécution. Il doit y avoir des styles associés aussi je suppose ?
- J'ai enlevé le ternaire pour le hash car c'est toujours une chaine et on peut donc toujours faire
slice(1)
dessus.
@nhoizey me pointe l'issue côté spec HTML et les suivis côté navigateurs.
@notabene remarque que ça n'est pas pour tout de suite côté Firefox.
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@rik trop cool merci !
window.matchMedia
estundefined
?! 🤔 Mais autant le tester explicitement dans ce cas ? J'avais pris ça par ici mais c'est probablement inutile.:target
global pour rester cohérent avec le 4.