sync, implemented sort, viewing user pages & articles written, updating db

js/md_preview.js

@@ -0,0 +1,17 @@
+// Optional: Real-time preview using JavaScript
+const textarea = document.querySelector('textarea');
+const preview = document.getElementById('preview');
+
+textarea.addEventListener('input', function() {
+  fetch('preview.php', { // Create a separate preview.php file for real-time updates
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/x-www-form-urlencoded',
+    },
+    body: 'markdown=' + encodeURIComponent(this.value),
+  })
+    .then(response => response.text())
+    .then(data => {
+      preview.innerHTML = data;
+    });
+});