diff --git a/docs_v1.0/doc_wasm/index.html b/docs_v1.0/doc_wasm/index.html
index 9e9c960..8a6f71c 100644
--- a/docs_v1.0/doc_wasm/index.html
+++ b/docs_v1.0/doc_wasm/index.html
@@ -31,6 +31,14 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-
 </style>
 </head>
 <body>
+<script>
+window.addEventListener('error', function(e) {
+  document.getElementById('content').innerHTML = '<p style="color:red">Global error: ' + e.message + '</p>';
+});
+window.addEventListener('unhandledrejection', function(e) {
+  document.getElementById('content').innerHTML = '<p style="color:red">Unhandled: ' + e.reason + '</p>';
+});
+</script>
 <script src="/doc-wasm/pkg/md_wasm.js"></script>
 <div id="app">
   <div class="sidebar">
diff --git a/docs_v1.0/doc_wasm/test_wasm.html b/docs_v1.0/doc_wasm/test_wasm.html
new file mode 100644
index 0000000..914a567
--- /dev/null
+++ b/docs_v1.0/doc_wasm/test_wasm.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<head><title>WASM Test</title></head>
+<body>
+<h1>WASM Render Test</h1>
+<div id="output">Loading...</div>
+<div id="output2"></div>
+<script src="/doc-wasm/pkg/md_wasm.js"></script>
+<script>
+async function test() {
+  const out = document.getElementById('output');
+  try {
+    out.textContent = 'Calling wasm_bindgen...';
+    const wasm = await wasm_bindgen();
+    out.textContent = 'WASM loaded, testing render...';
+    
+    const html = wasm.render('# Hello\nThis is **markdown**');
+    out.innerHTML = html;
+    
+    document.getElementById('output2').textContent = 'Render worked! Length: ' + html.length;
+  } catch(e) {
+    out.innerHTML = '<p style="color:red">Error: ' + e.message + '</p>';
+    document.getElementById('output2').textContent = e.stack;
+  }
+}
+test();
+</script>
+</body>
+</html>
