Update app.py

app.py

@@ -262,6 +262,28 @@ theme = gr.themes.Soft(
     radius_size="sm",
 )
 
+js_test = """
+    // Call the below function
+    waitForElementToDisplay("#component-153",function(){alert("Hi");},1000,9000);
+    
+    function waitForElementToDisplay(selector, callback, checkFrequencyInMs, timeoutInMs) {
+      var startTimeInMs = Date.now();
+      (function loopSearch() {
+        if (document.querySelector(selector) != null) {
+          callback();
+          return;
+        }
+        else {
+          setTimeout(function () {
+            if (timeoutInMs && Date.now() - startTimeInMs > timeoutInMs)
+              return;
+            loopSearch();
+          }, checkFrequencyInMs);
+        }
+      })();
+    }
+"""
+
 css = """
     body > gradio-app {
         background: var(--primary-950);
@@ -302,7 +324,7 @@ css = """
     }
     """
 
-with gr.Blocks(theme=theme, css=css) as demo:
+with gr.Blocks(theme=theme, css=css, js=js_test) as demo:
     gr.Markdown(DESCRIPTION, elem_classes="top-description")
     with gr.Tab("Canny Edge", elem_id="tab_wrapper", elem_classes="tab_wrapper"):
         with gr.Row():