The first block in the tree carrying this id, or undefined. The search is depth first and stops at the first hit. Infobox properties are searched too.
undefined
const intro = findBlock(document, 'intro') Copy
const intro = findBlock(document, 'intro')
The first block in the tree carrying this id, or
undefined. The search is depth first and stops at the first hit. Infobox properties are searched too.