Salesforce Lightning Web Components
Introducing Lightning Web Components
Salesforce is committed to developing open web standards and is a member of the World Wide Web Consortium (W3C). Salesforce Lightning Web Components.
Base Lightning components are available as Aura components and as Lightning web components. The Component Reference includes documentation, specifications, and examples for both. See Base Components: Aura Vs Lightning Web Components for differences between them.
Create Lightning Web Components
A Lightning web component is a reusable custom HTML element with its own API.