jquery's bind () and trigger ()

This article mainly introduces the trigger () and bind () methods of jquery.

1. $ (selector). Bind (event,data,function) method adds one or more event handlers to the selected element. and specifies the function to run when the event occurs.

Event: Required to specify one or more events to add to the element. Multiple events are separated by a space. Required to be a valid event
Data: Optional, which specifies what is passed to the processing function.
Function: Required, to specify the operation functions when an event occurs
2.  $ (selector). Trigger (event, [param1,param2,...]) The specified event type that triggers the selected element.
Event: Required to specify the events to be triggered by the specified element, you can use a custom event (using the Bind () function to attach).
[Param1,param2,...] Optional, additional parameters passed to the event handler, and additional parameters are particularly useful for custom events.

jquery's bind () and trigger ()