Ignore first H2?

Дата публикации: 21-10-2026 17:05:43

Two easy ways. If the ToC heading is always the first H2 on the page, just drop it from the array:
var headings = [].slice.call(documentRef.body.querySelectorAll('h2')).slice(1);
A sturdier option is to skip any H2 that sits inside the ToC container itself, so it keeps working even if the page order changes:
var headings = [].slice.call(documentRef.body.querySelectorAll('h2')).filter(function (h) {
return !toc.contains(h);
});
Use one or the other. If the ToC heading isn’t inside #toc, give it a class (for example class=“toc-title”) and use querySelectorAll(‘h2:not(.toc-title)’) instead.

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