How to get built-in services to obtain local information in Angular

We usedangular to set a timer before. Today we will do some exercises based on the timer.

Use the built-in service to obtain the following information:

1. Get the screen height

2. Get the screen width

3.Get the pagetitle

4.GetURLProtocol

5.GetURLHost

6. Get the port number

7.Get thehashpart ofURL

8.Get the access address, that is,URLAddress

##Other requirements:

1. The height and width are displayed 2 seconds after opening the page

2.title, protocol, host will be displayed 3 seconds after opening the page

3. Port number, url address will be displayed 5 seconds after opening the page After that, a prompt box will pop up asking whether to display it. If you click yes, it will be displayed. Otherwise, it will not be displayed.

Source code:

##

   
 
屏幕有效的宽度（单位：像素）:{{ width }}
 
屏幕有效的高度（单位：像素）:{{ height }}
 
页面title:{{ title }}
 
URL主机:{{ host }}
 
URL协议:{{ protocol }}
 
端口:{{ port }}
 
URL的hash部分:{{ hash }}
 
URL地址:{{ href }}

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