A basic introduction to Selenium and a summary of basic previous knowledge

  
   selenium automated testing browser, it is mainly used for automated testing of web applications, but it is certainly not limited to this, with

  
   Supports automation of all web-based administrative tasks.

  
   Features of selenium:

  
    Open source, free

  
    Multi-browser support: FireFox, Chrome, IE, Opera

  
    Multi-platform support: linux, windows, MAC

  
    Multi-language support: java, python, ruby, php, C#,
   
  JavaScript

  
    Good support for web pages

  
    Simple (simple API), flexible (driven by development language)

  
    Support distributed test case execution

 
  Front-end knowledge requirements 
 

 
  Introduction to HTML 
 

 
  HTML (Hyper Text Markup Language) Chinese is a hypertext markup language, HTML is the basis of web pages, it is not a 
 

 
  programming language, but a markup language (a set of markup tags), but we can embed various front-end scripting languages ​​in HTML tags, such as 
 

  
   VBScript
   
  ,  
  JavaScript, etc. Here is a simple HTML page:

 
  The text between <html> and </html> describes the page 
 

 
  The content between <title> and </title> is displayed in the browser's title bar 
 

 
  The text between <body> and </body> is the visible page content 
 

 
  The text between <h1> and </h1> is displayed as body text, and h1 is the font size 1 on the page 
 

 
  Now we open any page through the browser, right-click on the page and select "View Web Page Source Code", in the complex front-end 
 

 
  You can still find HTML in the code 
 

 
  Introduction to JavaScript 
 

  
   JavaScript is a front-end scripting language developed from Netscape's LiveScript (a scripting language is a lightweight

   级的语言），是一种解释性语言（代码执行不需要预编译）；被设计用来向 HTML 页面添加交互行为，
   
 

   通常被直接嵌入到 HTML 页面。
   
 

   如果要在 HTML 页面中使用 JavaScript ，我们需要使用<script>标签，同时使用 type 属性来定义脚
   
 

   本语言：
   
 

 
  通过<script type="text/javascript"> 和</script > 就可以告诉浏览器 JavaScript 脚本从何处开始， 
 

 
  到何处结束。 使用 document.write() 可以向文档输出写内容。 
 

 
  XML 简介 
 

 
  ML 是指扩展标记语言，是标准通用标记语言的一个子集；与 HTML 类似，但它并非 HTML 的替代品， 
 

 
  它们为不同的目的而设计； HTML 被设计用来显示数据，其焦点是数据的外观。 XML 被设计为传输和存储 
 

 
  数据，其焦点是数据的内容。 
 

 
  下面是一个简单的 XML 
 

 
  <?xml version="1.0"?> 一个应该包含 XML 的声明，它定义了 XML 文档的版本号。 
 

   <note></note> 定义了文档里的第一个元素，也叫根元素。
   
 

   <to></to>、 <from></from>、 <heading></heading>、 <body></body> 为根元素的子元素， 他们分别
   
 

   包含了发送者与接收者的信息。这个 XML 文档仅仅是用标签包装了纯粹的信息，我们需要编写软件或程
   
 

   序，才能传送、接收和显示出这个文档。
   
 

   XML 允许我们自己定义标签，上例中的标签没有在任何 XML 标准中定义过，如<to> 和<from>，这
   
 

   些标签是由我们自己定义的。
   
 

 
  前段工具 
 

 
  firebug，firepath 
 

A basic introduction to Selenium and a summary of basic previous knowledge

Guess you like