up.fragment
up.fragment.contains(root, query)
JavaScript function
JavaScript function
This feature is experimental. Please share your experiences so we know what to keep or change.
Returns whether the given root matches or contains the given selector or element.
Will always return false if the two elements are on different layers.
Parameters
root
required
Type: Element | Document
query
Return value
Whether the root contains the given element or selector.
Type: boolean