<p>Chris and Stephen talk about how we use a <a href="https://workers.cloudflare.com/">Cloudflare Worker</a> & <a href="https://developers.cloudflare.com/workers/runtime-apis/html-rewriter/">HTMLRewriter</a> to inject a very special <script> tag into the previews of the Pens you work on. This script has a lot of important jobs so it's presence is crucial, and getting it in there reliably can is a bit of a challenge.</p>



<h2 class="wp-block-heading">Time Jumps</h2>

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409: Our Own Script Injection

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