fix: reference error input

static/index.html

@@ -33,6 +33,8 @@
       </section>
       <section>
         <input id="img-input" type="file" multiple="multiple" accept="image/jpeg, image/png, image/jpg">
+        <button id="classify-btn"></button>
+        <p id="test-output"></p>
         <output id="img-output"></output>
       </section>
     </main>

static/script.js

@@ -59,4 +59,11 @@ inputImg.addEventListener("change", event =>{
   console.log(res);
 
   outputImg.textContent = "Result is: " + res;
+});
+
+const classifyBtn = document.querySelector('classify-btn');
+const outputPar = document.querySelector('test-output');
+
+classifyBtn.addEventListener('onclick', () => {
+  outputPar.textContent = "asa";
 });