Objects in JavaScript

Source: Internet
Author: User

  JavaScript objects

JavaScript objects are one of the basic data types and are composite data;

Almost everything in JavaScript is an object;

JavaScript objects are data that has properties and methods;

Objects in JavaScript can be simply interpreted as "name: Value" Pairs (name:value).

  Classification of objects in JavaScript

1. Built-in objects:

Data-packed objects (object, Object.prototype, number, Boolean, String, Array, Function);

Tool Class object (Math, Date, REGEXP);

The Error object.

2. Custom objects:

By means of Var obj={}, the object literal is the literal method;

Create an object from a constructor function;

Create an object from Object.create.

 Accessing the properties and methods of an object

  Passing object and Object comparisons

Objects in JavaScript

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