MediaWiki:Gadget-autonum.js
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/**
* Auto-number headings
*
* @source https://www.mediawiki.org/wiki/Snippets/Auto-number_headings
* @author Krinkle
* @version 2024-07-28
*/
var toc = document.querySelector('#toc');
if (toc) {
document.body.classList.add('tpl-autonum-attr');
// Support legacy Parser: <h2><span class=mw-headline id=…>
// Support Parsoid: <section><div class=mw-heading><h2 id…>
document.querySelectorAll('.mw-parser-output :is(h1,h2,h3,h4,h5,h6) .mw-headline[id], .mw-parser-output .mw-heading [id]:is(h1,h2,h3,h4,h5,h6)').forEach(function (headline) {
var num = toc.querySelector('a[href="#' + CSS.escape(headline.id) + '"] .tocnumber');
if (num) headline.setAttribute('data-autonum', num.textContent);
});
} else {
document.body.classList.add('tpl-autonum');
}