# JS/TS Events JourneyApps provides some basic events that are triggered on interaction with certain UI components. The event attribute specifies a JavaScript/TypeScript function to be called when the event is triggered, e.g. `on-press="$:myJSFunction()"` Below is a summary of the currently supported events per component. Follow an event's hyperlink to the component's syntax reference for more details.
UI ComponentEvent
action (edit-typeahead)on-press
action (list-item)on-press
action (object-list)on-press
action (object-table)on-press
action (object-table column)on-press
buttonon-press
capture-coordinateson-change
on-location
capture-fileon-change
capture-photoon-change
on-capture
capture-signatureon-change
date-inputon-change
datetime-inputon-change
dialogon-cancel
on-submit
display-3d-modelon-pick-mesh
edit-typeahead (object-table)on-search
empty-action (object-table)on-press
item (context-menu)on-press
item (navigation general-section)on-press
header-action (object-table column)on-press
marker / marker-query (capture-coordinates, display-coordinates)on-press
multiple-choice-checkliston-change
object-dropdownon-change
object-tableon-change
on-paste
on-state-change/ on-state-changed
scan-barcodeon-change
on-scan
single-choice-dropdownon-change
single-choice-radioon-change
text-inputon-change
toggleon-change
viewon-back
on-navigate