Update static/index.html

static/index.html

@@ -11,7 +11,8 @@
             xhr.onreadystatechange = function() {
                 if (xhr.readyState == 4 && xhr.status == 200) {
                     var resultImage = document.getElementById("resultImage");
-                    resultImage.src = "data:image/jpeg;base64," + xhr.responseText;
+                    var imageSrc = "data:image/jpeg;base64," + xhr.responseText;
+                    resultImage.src = imageSrc;
                 }
             };