JavaScript Objects and properties

Source: Internet
Author: User

1. Create an empty object: var o =new object ();

2. Create Object Direct Quantity:

var cricle={x:0,y:0,radius:2}
var homer={
  name:"Homer Simpson",

3 Settings and queries for properties

var book=new object();
A property is created by assigning a value to a new property of an object. Although variables are often declared with keyword VAR, declaring object properties is not necessary.

Enumeration of attributes: For/in loops provide a way to traverse object properties

function displayppName(obj)
 var name="";
 for(var name in obj)

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