JavaScript Constructor Learning Notes

Source: Internet
Author: User
Tags uppercase letter

We all know that in JavaScript everything is the object, then the question comes, what is the object??

A: An object is an instance of a particular reference type.

So how do new objects build??

A: The new object is followed with a constructor Function to create the.

The constructor itself is a function, except that the function is defined for the purpose of creating a new object.

So let's just create an example of an object look at it ~ ~

1 var New Object ();

This line of code creates a new instance of object and saves it in the variable person, using a constructor that is obnject.

So we're customizing a constructor?

var New Person ();

Have you found that the person is capitalized in the first letter of the object? That's not a coincidence. The constructor should always start with an uppercase letter.

The big uncle shouted people ... Go back to writing ...

JavaScript Constructor Learning Notes

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