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Playwright is an open-source automation library for browser testing and web scraping [3] developed by Microsoft [4] [5] and launched on 31 January 2020, which has since become popular among programmers and web developers. Playwright provides the ability to automate browser tasks in Chromium, Firefox and WebKit [6] with a single API. This allows ...
Task-runners like gulp and Grunt are built on Node.js rather than npm because the basic npm scripts are inefficient when executing multiple tasks. Even though some developers prefer npm scripts because they can be simple and easy to implement, there are numerous ways where gulp and Grunt seem to have an advantage over each other, and the default provided scripts. [11]
Grunt was originally created by Ben Alman in 2012 as an efficient alternative to simplify writing and maintaining a suite of JavaScript build process tasks in one huge file. It was designed as a task-based command line build tool for JavaScript projects. [6] Grunt is primarily used to automate tasks that need to be performed routinely.
A headless browser is a web browser without a graphical user interface. Headless browsers provide automated control of a web page in an environment similar to popular web browsers, but they are executed via a command-line interface or using network communication.
JavaScript is an event-based imperative programming language (as opposed to HTML's declarative language model) that is used to transform a static HTML page into a dynamic interface. JavaScript code can use the Document Object Model (DOM), provided by the HTML standard, to manipulate a web page in response to events, like user input.
HtmlUnit emulates parts of browser behaviour including the lower-level aspects of TCP/IP and HTTP. A sequence such as getPage(url), getLinkWith("Click here"), click() allows a user to navigate through hypertext and obtain web pages that include HTML, JavaScript, Ajax and cookies. This headless browser can deal with HTTPS security, basic HTTP ...
Extensively script-able to automate tasks or to perform advanced tasks using JavaScript or VBScript; Macro recorder can record a series of actions to create scripts for later playback; Enhanced code snippets save time by creating and saving reusable blocks of code, and can prompt for variable replacement when used.
HTML and DOM viewer and editor is commonly included in the built-in web development tools. The difference between the HTML and DOM viewer, and the view source feature in web browsers is that the HTML and DOM viewer allows you to see the DOM as it was rendered in addition to allowing you to make changes to the HTML and DOM and see the change reflected in the page after the change is made.