Javascript&jquery.3 Group built-in objects

3 set of built-in objects

Browser Object Model

The browser object model is used to create a model of the browser window.

At the top is the Window object.

Underneath the Window object object are child objects, which can also have child objects, and objects can be nested. Just like the box can be placed in the box, the array can be stored in the same array.

Document Object Model

Document the other side has many ways to manipulate HTML elements.

Global JavaScript objects

Object

Object action

String processing strings

Number processing numbers

Boolean processing Booleans

Date processing Dates

Math calculates and processes numbers

String modulo of REgEx matching text

Test Questions

1, these 3 sets of built-in objects, what have we used?

Answer: Document Object model and global JavaScript object

Javascript&jquery.3 Group built-in objects