do it right this time

resources/loader.js

@@ -70,8 +70,8 @@ async function loadDay(dayNum) {
     const { instance } = await WebAssembly.instantiate(codeBuffer, moduleImports)
     wasmInstance = instance
 
-    outputTextArea1.innerText = ''
-    outputTextArea2.innerText = ''
+    outputTextArea1.value = ''
+    outputTextArea2.value = ''
     codeView.innerHTML = wasmText
     Prism.highlightElement(codeView)
   } catch (err) {