Web browsing first began as a system lacking in privacy that allowed users to view simple content in text mode. Since then, the service has evolved in both functionality–allowing you to view complex designs–and in its access methods–said web content can be downloaded encrypted.
Web Components is a standard introduced by the W3C for creating new elements for the web. It also allows developers to easily reuse and extend both the developed components and native elements. As they are part of the browser, no external library like jQuery is required. All you need to use your web component is a sentence in your HTML.