getAttributeNSOpt

SaferElement

getAttributeNodeNSOpt

SaferElement

getAttributeNodeOpt

SaferElement

getAttributeOpt

SaferElement

getCueByIdOpt

SaferTextTrackCueList

getElementByIdOpt

SaferDocument

getItemOpt

SaferStorage

getNamedItemNSOpt

SaferNamedNodeMap

getNamedItemOpt

SaferNamedNodeMap

getResponseHeaderOpt

SaferXMLHttpRequest

getTrackByIdOpt

SaferAudioTrackList