Find closest anchor
Finds the anchor node closest to the given node
, if any.
- Use a
for
loop andNode.parentNode
to traverse the node tree upwards from the givennode
. - Use
Node.nodeName
andString.prototype.toLowerCase()
to check if any given node is an anchor ('a'
). - If no matching node is found, return
null
.
const findClosestAnchor = node => { for (let n = node; n.parentNode; n = n.parentNode) if (n.nodeName.toLowerCase() === 'a') return n; return null; }; findClosestAnchor(document.querySelector('a > span')); // a