.focus()

.focus( handler )Returns: jQueryversion deprecated: 3.3

Description: Bind an event handler to the "focus" event, or trigger that event on an element.

version added: 1.0.focus( handler )
- handler
  
  Type: Function( Event eventObject )
  
  A function to execute each time the event is triggered.
version added: 1.4.3.focus( [eventData ], handler )
- eventData
  
  Type: Anything
  
  An object containing data that will be passed to the event handler.
- handler
  
  Type: Function( Event eventObject )
  
  A function to execute each time the event is triggered.
version added: 1.0.focus()
- This signature does not accept any arguments.

This API is deprecated.

Instead of .focus( handler ) or .focus( eventData, handler ), use .on( "focus", handler ) or .on( "focus", eventData, handler ), respectively.

Instead of .focus(), use .trigger( "focus" ).

© The jQuery Foundation and other contributors
Licensed under the MIT License.
https://api.jquery.com/focus-shorthand

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