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@@ -9,6 +9,7 @@ tags = ["markdown", "funcionalitat"] | |
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[extra] | ||
katex = true | ||
footnote_backlinks = true | ||
+++ | ||
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## $\KaTeX$ | ||
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Original file line number | Diff line number | Diff line change |
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@@ -9,6 +9,7 @@ tags = ["markdown", "funcionalidad"] | |
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[extra] | ||
katex = true | ||
footnote_backlinks = true | ||
+++ | ||
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## $\KaTeX$ | ||
|
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Original file line number | Diff line number | Diff line change |
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@@ -9,6 +9,7 @@ tags = ["markdown", "showcase"] | |
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[extra] | ||
katex = true | ||
footnote_backlinks = true | ||
+++ | ||
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## $\KaTeX$ | ||
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Original file line number | Diff line number | Diff line change |
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// Assign unique IDs to the footnote references based on their hashes. | ||
function assignReferenceIds() { | ||
const references = document.querySelectorAll('.footnote-reference'); | ||
for (const ref of references) { | ||
ref.id = `ref:${ref.children[0].hash.substring(1)}`; | ||
} | ||
} | ||
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// Create backlinks for each footnote definition if a corresponding reference exists. | ||
function createFootnoteBacklinks() { | ||
const footnotes = document.querySelectorAll('.footnote-definition'); | ||
for (const footnote of footnotes) { | ||
const backlinkId = `ref:${footnote.id}`; | ||
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// Skip if there's no corresponding reference in the text (i.e. the footnote doesn't reference anything). | ||
if (!document.getElementById(backlinkId)) continue; | ||
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const backlink = document.createElement('a'); | ||
backlink.href = `#${backlinkId}`; | ||
backlink.className = 'footnote-backlink'; | ||
backlink.textContent = '↩'; | ||
footnote.lastElementChild.appendChild(backlink); | ||
} | ||
} | ||
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// Initialise the handlers for the footnote references and definitions. | ||
function initFootnotes() { | ||
assignReferenceIds(); | ||
createFootnoteBacklinks(); | ||
} | ||
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// Wait for the window to load, then execute the main function. | ||
window.addEventListener('load', initFootnotes); |
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