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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including react-headings with all npm packages installed. Try it out:

require("react/package.json"); // react is a peer dependency. var reactHeadings = require("react-headings")

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react-headings v3.2.11

HTML headings with auto-incrementing levels for WCAG compliance.

RunKit is a free, in-browser JavaScript dev environment for prototyping Node.js code, with every npm package installed. Sign up to share your code.
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