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Web Components: An Introduction
- Web Components are a way to build components using vanilla JavaScript and widely available browser APIs that can be shared across frameworks.
- Web Components are divided into two categories, autonomous and custom built-in elements.
- Autonomous Web Components are more flexible, and Custom Built-In elements are meant to augment the functionality of existing HTML elements.
- When naming Web Components, the element name must begin with a lowercase letter and include a hyphen.
- Web Components have specific lifecycle hooks that are used for initialization and cleanup of component instances.
- Accessibility is an important consideration in Web Components, and ARIA attributes can be used as in regular HTML or a framework.
- Web Components have a separate scoped piece of the DOM called the Shadow DOM which can be set to open or closed modes.
- Templates and slots can be used with the Shadow DOM to enhance Web Components by creating reusable snippets within them.
- Web Components can be used on modern browsers; however, Safari does not support Custom Built-In Elements.
- Web Components examples were discussed, including Autonomous Custom Element, Custom Built-In Element and Wrapping Up.
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