Object constructor, packaging

Function references:

Function (method) call:

Objects

The increase in property

View

document.write and console.log differences:

modify

*delete

application:

Creating an object method

Constructors Name:

Constructors writing custom

car car1 and independently of one another:

The inner workings of constructors:

PS: no new function is the normal execution

to simulate a constructor :( not so used)


constructor returns is the object, there is new it is impossible to return to the original value

Wrapper class

(Raw value can have attributes and methods; only a subject)





String object of the length property has a carrying system, (not change the value)

Note: The pre-compiled add overrides