查看“︁MediaWiki:Common.js”︁的源代码

/* 这里的任何JavaScript将为所有用户在每次页面加载时加载。 */
(function () {
  function toggleAccordion(header) {
    const content = header.nextElementSibling;
    const textNode = header.querySelector('.scr-accordion-text');
    const expanded = header.getAttribute('aria-expanded') === 'true';

    header.setAttribute('aria-expanded', String(!expanded));
    content.hidden = expanded;

    textNode.textContent = expanded
      ? textNode.dataset.open
      : textNode.dataset.close;
  }

  document.addEventListener('click', function (e) {
    const header = e.target.closest('.scr-accordion-header');
    if (!header) return;
    toggleAccordion(header);
  });

  document.addEventListener('keydown', function (e) {
    if (e.key !== 'Enter' && e.key !== ' ') return;
    const header = e.target.closest('.scr-accordion-header');
    if (!header) return;
    e.preventDefault();
    toggleAccordion(header);
  });
})();