This is a web application where you could see different jokes every time you click the new joke button. I have built the same by applying the knowledge of web development.

 HTML: The Hypertext Markup Language, or HTML is the standard markup language for documents designed to be displayed in a web browser

 CSS: Cascading Style Sheets is a style sheet language used for describing the presentation of a document written in a markup language such as HTML.

 JavaScript: JavaScript is a scripting language. It is object-based, lightweight, cross-platform translated language. It is widely used for client-side validation. The JavaScript Translator (embedded in the browser) is responsible for translating the JavaScript code for the web browser.