JavaScript noun explanation

JavaScript noun explanation
The JavaScript language consists of three parts, namely the Dom,bom and the Language Foundation.

1.1.DOM is an abbreviation for the Document Object model. Dom is a way of thinking about how all the data in HTML is manipulated as objects.
Objects in 1.2.DOM are referred to as nodes. Using JavaScript, these nodes can be used for additional pruning

2.1.BOM is the browser object model (brower)
2.2.BOM contains the 5 objects of the Window,navigator,screen,history,location
2.3.alert (), SetInterval (), Clearinterval (), SetTimeOut () These methods are methods of the Window object

3.1. In JavaScript, there are 5 basic types of variables: undefine null Boolean number String
3.2.prototype: All instance objects will contain the prototype property, which contains the prototype object, which contains the properties and methods that need to be shared

JavaScript noun explanation