Deep understanding of event-driven basics in javaScript

This article provides a detailed analysis of event-driven in javaScript. For details, refer to the event-driven events in javascript that are triggered by mouse or hotkey actions as follows:
1. Click the event onclick as follows :( )
It is usually used for the following controls:
Button Object
Checkbox check box or check list-with onclick click event, it is usually used to select all results
Radio button
Reset button
Submit button
2. content change event onchange as follows :( )
Usually used
Text input box-with onchange, registration detection can be achieved
Textarea text field
3. Select event onselect -- this event is triggered when the content of text or textarea is highlighted.
4. Get focus event onFocus -- occurs when the object gets focus
5. The onBlur event that loses focus -- corresponds to the event that gets focus!
6. document loading event onload -- when a document is loaded, it is a trigger event. Usually called loading events (loading and running), it is generally used to set cookies.
7. Uninstall document event onunload -- corresponds to document event loading. When the web page exits, the cookie value is usually updated.
8. Right-click menu function event oncontextmenu -- can be used to shield the right mouse