update sending input event in java script to not cause exception in browser https://github.com/gradio-app/gradio/issues/2981

javascript/ui.js

@@ -278,3 +278,11 @@ function restart_reload(){
 
     return []
 }
+
+// Simulate an `input` DOM event for Gradio Textbox component. Needed after you edit its contents in javascript, otherwise your edits
+// will only visible on web page and not sent to python.
+function updateInput(target){
+	let e = new Event("input", { bubbles: true })
+	Object.defineProperty(e, "target", {value: target})
+	target.dispatchEvent(e);
+}