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update hidden=until-found example #214

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update hidden=until-found example #214

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24 changes: 7 additions & 17 deletions explainers/hidden-content-explainer.md
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Original file line number Diff line number Diff line change
Expand Up @@ -75,13 +75,6 @@ sections -- something that is not currently possible.
.collapsed > .title::before {
content: '➡️ ';
}

.details {
margin-left: 20px;
}
.collapsed > .details {
content-visibility: hidden-matchable;
}
</style>

Please explore the following sections:
Expand All @@ -101,22 +94,19 @@ Please explore the following sections:
</div>

<script>
function updateHiddenAttribute(section) {
const details = section.querySelector('.details');
if (section.classList.contains('collapsed')) {
details.setAttribute('hidden', 'until-found');
} else {
details.removeAttribute('hidden');
}
}
document.querySelectorAll('.section').forEach(section => {
section.onbeforematch = () => {
section.classList.remove('collapsed');
updateHiddenAttribute(section);
};
section.querySelector('.title').onclick = () => {
section.classList.toggle('collapsed');
updateHiddenAttribute(section);

const details = section.querySelector('.details');
if (section.classList.contains('collapsed')) {
details.hidden = 'until-found';
} else {
details.removeAttribute('hidden');
}
};
});
</script>
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