diff --git a/web/chat.js b/web/chat.js
new file mode 100644
index 0000000..de4db89
--- /dev/null
+++ b/web/chat.js
@@ -0,0 +1,39 @@
+// All comments are in English.
+
+let conversationId = null;
+
+function login() {
+    window.location = "/login";
+}
+
+async function newConversation() {
+    const r = await fetch("/api/new_conversation");
+    const data = await r.json();
+    conversationId = data.conversation_id;
+    document.getElementById("chat").innerHTML = "";
+}
+
+async function sendMessage() {
+    const prompt = document.getElementById("prompt").value;
+    const model = "llama3.2";
+
+    const chatBox = document.getElementById("chat");
+    chatBox.innerHTML += `<div class="user">${prompt}</div>`;
+
+    const url = `/api/stream?conversation_id=${conversationId}&model=${model}&prompt=${encodeURIComponent(prompt)}`;
+    const evtSource = new EventSource(url);
+
+    let buffer = "";
+
+    evtSource.onmessage = function(event) {
+        const data = JSON.parse(event.data);
+        buffer += data.token;
+
+        document.getElementById("chat").innerHTML +=
+            `<div class="assistant">${buffer}</div>`;
+    };
+
+    evtSource.onerror = function() {
+        evtSource.close();
+    };
+}