Initial commit

content.js

@@ -0,0 +1,12 @@
+function onLoad() {
+  console.log('Starter extension content script loaded on', location.href);
+}
+
+window.addEventListener('DOMContentLoaded', onLoad);
+
+chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+  if (message?.type === 'GET_NUM_LINKS') {
+    const count = document.querySelectorAll('a').length;
+    sendResponse({ count });
+  }
+});