Building a Web Component: A Step-by-Step Guide
SMRTR summary
This hands-on tutorial walks through building a reusable Web Component from scratch using native browser APIs — no frameworks needed. It covers Shadow DOM encapsulation, lifecycle callbacks, observed attributes, custom events, and packaging as an ES Module. The component ends up deployable across plain HTML, React, or even Drupal, demonstrating how far vanilla browser primitives can take you.
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