Function existsOne

existsOne(
test: (elem: Element) => boolean,
nodes: ParentNode | AnyNode[],
): boolean
Checks if a tree of nodes contains at least one node passing a test.
Parameters
- test: (elem: Element) => boolean
  Function to test nodes on.
- nodes: ParentNode | AnyNode[]
  Array of nodes to search.
Returns boolean
Whether a tree of nodes contains at least one node passing the test.
- Defined in querying.ts:131