HTML - Introduction

 

1. What is 

　　HTML is HTML is the standard language for creating web pages

　　Can be parsed by the browser, the browser will parse HTML pages to show

 

2. Role

　　By parsing the browser, HTML tells the browser to back-end data returned to show up in what form

 

3. document declaration

　　HTML documents ending with .html or .htm, .html usually ends

　　Rei如: demo.html

 

4. Document Structure

<-! HTML standard document structure -> 
< HTML > 
    
    < head > 
        <-! Head tag main Configuration information about the browser -> 
    </ head > 
    
    < body > 
        <-! Body tag main used for data display -> 
    </ body > 
    
</ HTML >

 

5. Label

　　Single-label: <tag name />

　　Ditag: <tag name> </ tag name>

 

6. HTTP protocol

　　HTTP protocol standardizes the format of data exchange between the browser and server

　　It simply is a browser needs to send data to the server what kind of format, the server what format the data in response to the browser

 

7. URL (Uniform Resource Locator)

　　It is used to describe a unique resource identifier on the World Wide Web