18 lines
475 B
JavaScript
18 lines
475 B
JavaScript
(function () {
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var content = document.querySelector("main");
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if (!content) return;
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var headings = content.querySelectorAll("h2, h3, h4");
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if (!headings) return
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headings.forEach(function (h) {
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if (!h.id) return;
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var a = document.createElement('a');
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a.href = '#' + h.id;
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a.className = 'heading-anchor';
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a.setAttribute('aria-label', 'Link to this section');
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a.textContent = '#';
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h.insertBefore(a, h.firstChild);
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});
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}());
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