...Leave abstractions behind and build custom elements with HTML, JavaScript, and CSS. Lightning web components are custom elements built using HTML and modern JavaScript. Ready to learn more? Check out the Developer Guide and write code in the Playground. You’ll be up and running in no time. Create fast, versatile web components and apps using the stack and tools your team prefers. Shape the framework through your pull requests and help push native Web Components forward. Use the latest web standards to build robust components that run in modern browsers and IE 11. ...