You just need to import this JS script:
<script src="//cdn.jsdelivr.net/npm/docsify-footnote/dist/docsify-footnote.min.js"></script>
Then, enjoy it:
tf[^1]
[^1]: Test File
or
tf^[Test File]
or
tf1[^2]
[^2]: Test File1
window.$docsify = {
docsifyFootnote: {
// Set to true to hide the sub-anchor numbering.
// https://github.com/Robert-Du0001/docsify-footnote/pull/5
hideSubAnchor: true,
}
}