Every time you see a popup window appear on a page or some new content displayed, for example, that's the DOM in action. Find out more about these types of API in Manipulating documents. APIs that fetch data from the server to update small sections of a webpage on their own are very commonly used. This seemingly small detail has had a huge
Fetch API The Fetch API provides an interface for fetching resources. It will seem familiar to anyone who has used XMLHTTPRequest, but this API provides a more powerful and flexible feature set. Server-sent events Traditionally, a web page has to send a request to the server to receive new data; that is, the page requests data from the server. A common use of JSON is to exchange data to/from a web server.
To use the Selenium Server, you will need to install the JDK and download the latest server from Selenium. Once downloaded, run the server with. java -jar selenium-server-standalone-2.45.0.jar You may configure your tests to run against a remote server through the Builder API: