The concept of events

Events: refer to some specific interactive moments that occur in a document or browser window . We can schedule events through listeners (or handlers) so that the corresponding code can be executed when the event occurs.

Event handler

Event handler: Our user's click action on the page, mouse movement action, web page loading action, etc. can all be called event names, that is: onclick, mousemove, load, etc. The name of the event. The function that responds to an event is called an event handler, or an event listener.

The following is a list of attributes that can be inserted into HTML tags to define event actions.

Let’s introduce the commonly used events in detail