Update script.js

script.js

@@ -8,7 +8,7 @@ tokenizeButton.addEventListener("click", async () => {
   let tokenized = tokenizer.encode(text);
   document.querySelector("#totalLength").textContent = `Total length: ${tokenized.length}`;
   let output = document.querySelector("#output");
-  output.innerHTML = "";
+  output.contentDocument.body.innerHTML = "";
   let colors = ["#ff0000", "#ff8700", "#ffd300", "#deff0a", "#a1ff0a", "#0aff99", "#0aefff", "#147df5", "#580aff", "#be0aff"].sort(() => Math.random() - 0.5);
   tokenized.forEach((token, index) => {
     let content = document.createElement("span");
@@ -16,7 +16,7 @@ tokenizeButton.addEventListener("click", async () => {
     content.style.backgroundColor = colors[index % colors.length];
     content.style.fontFamily = "monospace";
     content.title = token.toString();
-    output.appendChild(content);
+    output.contentDocument.body.appendChild(content);
   });
   tokenizeButton.disabled = false;
 });