javascript oop

最新推荐文章于 2025-08-07 14:42:17 发布

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最新推荐文章于 2025-08-07 14:42:17 发布

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文章标签： javascript ViewUI

本文详细介绍了JavaScript中对象的声明方式、与BOM、DOM、JSObject的关系，以及JavaScript的基本组成，包括变量、函数和其作用。

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Object--->Data

那么如何声明类-->并非数据

Object--declare

var obj1=new Object();

var obj2=new Boolean;

var date1=new date();

var obj3={};

var obj4={name:'roboce',age:21};

BOM,DOM,Js Object

Array,Boolean,Date,Math,Number,String,RegExp,Global,

javascript基本组成

Object,variable,function

Object--save data(property,and method)

function--sava logic and function

 1 'use strict';
 2 
 3 var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
 4 var DEFAULT_SCALE = 'auto';
 5 var DEFAULT_SCALE_DELTA = 1.1;
 6 var UNKNOWN_SCALE = 0;
 7 var CACHE_SIZE = 20;
 8 var CSS_UNITS = 96.0 / 72.0;
 9 var SCROLLBAR_PADDING = 40;
10 var VERTICAL_PADDING = 5;
11 var MIN_SCALE = 0.25;
12 var MAX_SCALE = 4.0;
13 var SETTINGS_MEMORY = 20;
14 var HISTORY_DISABLED = false;
15 var SCALE_SELECT_CONTAINER_PADDING = 8;
16 var SCALE_SELECT_PADDING = 22;
17 var RenderingStates = {
18   INITIAL: 0,
19   RUNNING: 1,
20   PAUSED: 2,
21   FINISHED: 3
22 };
23 var FindStates = {
24   FIND_FOUND: 0,
25   FIND_NOTFOUND: 1,
26   FIND_WRAPPED: 2,
27   FIND_PENDING: 3
28 };