JQuery (i) delegate () method

Definition and usage

The delegate () method adds one or more event handlers for the specified element (the child element of the selected element) and specifies the function to run when these events occur.

Event handlers that use the delegate () method apply to current or future elements, such as new elements created by a script.

Grammar

$ (selector). Delegate (Childselector,event,data,function)

Parameters	Description
Childselector	Necessary. Specifies one or more child elements to attach the event handler.
Event	Necessary. Specifies one or more events that are attached to an element. Multiple event values are separated by a space. Must be a valid event.
Data	Optional. Specifies additional data that is passed to the function.
function	Necessary. Specifies the function to run when an event occurs.

undelegate () methodInstance

Removes all event handlers added by the delegate () method from all elements:

$ ("Body"). Undelegate ();

Definition and usage

The Undelegate () method deletes one or more event handlers that were added by the delegate () method.

Grammar

$ (selector). Undelegate (selector,event,function)

Parameters	Description
Selector	Optional. Specifies the selector that needs to delete the event handler.
Event	Optional. Specifies one or more event types for which the handler function needs to be deleted.
function	Optional. Specifies the specific event handler to delete.

Try it yourself-example

Delete event handlers, added by delegate (), from a specific selector

How to use the Undelegate () method to remove all event handlers from the specified element.

Deletes an event handler for the specified event type, added by delegate (), from the specified element

How to use the Undelegate () method to remove all event handlers for a specific event type from the specified element.

Delete the specific function added by delegate ()

How to use the Undelegate () method to remove specific functions from a specific event type for an event handler.

JQuery (i) delegate () method