First cookbook example for the docs: Hello World in C.

Documentation/fetchcode.js

@@ -0,0 +1,25 @@
+'use strict';
+
+async function fetchCode(e, lang, src) {
+    const resp = await fetch(src);
+    const t = await resp.text();
+    e.innerHTML = hljs.highlight(lang, t).value;
+}
+
+function fetchAndHighlightAll() {
+    const el = document.getElementsByTagName('code');
+    for (const e of el) {
+    	const src = e.getAttribute('src');
+    	if (!src) continue;
+    	const lang = e.getAttribute('lang');
+    	const title = document.createElement('b');
+    	title.innerText = src;
+    	title.style.textAlign = 'center';
+    	title.style.display = 'block';
+    	e.parentElement.insertBefore(title, e);
+    	fetchCode(e, lang, src);
+    	console.log('found', lang, src);
+    }
+}
+
+setTimeout(fetchAndHighlightAll, 0);