diff --git a/_examples/file-server/file-server/main.go b/_examples/file-server/file-server/main.go
index 0ce54002..3e0bdb68 100644
--- a/_examples/file-server/file-server/main.go
+++ b/_examples/file-server/file-server/main.go
@@ -20,6 +20,8 @@ func init() {
 func main() {
 	app := iris.New()
 	app.RegisterView(iris.HTML("./views", ".html"))
+	// Serve assets (e.g. javascript, css).
+	// app.HandleDir("/public", "./public")
 
 	app.Get("/", index)
 
@@ -47,10 +49,14 @@ func uploadView(ctx iris.Context) {
 	ctx.View("upload.html", token)
 }
 
+const maxSize = 10 * iris.MB
+
 func upload(ctx iris.Context) {
+	ctx.SetMaxRequestBodySize(maxSize)
+
 	_, err := ctx.UploadFormFiles("./uploads", beforeSave)
 	if err != nil {
-		ctx.StopWithError(iris.StatusInternalServerError, err)
+		ctx.StopWithError(iris.StatusPayloadTooRage, err)
 		return
 	}
 
diff --git a/_examples/file-server/file-server/views/upload.html b/_examples/file-server/file-server/views/upload.html
index 6954b82f..a278be2e 100644
--- a/_examples/file-server/file-server/views/upload.html
+++ b/_examples/file-server/file-server/views/upload.html
@@ -1,17 +1,38 @@
 <!DOCTYPE html>
 <html lang="en">
+
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Upload Files</title>
 </head>
+
 <body>
-    <form enctype="multipart/form-data"
-        action="/upload" method="POST">
-        <input type="file" name="uploadfile" multiple/> <input type="hidden"
-            name="token" value="{{.}}" />
-            
-        <input type="submit" value="upload" />
+    <form enctype="multipart/form-data" action="/upload" method="POST">
+        <input type="file" id="upload_files" name="upload_files" multiple /> <input type="hidden" name="token"
+            value="{{.}}" />
+
+        <input type="button" value="Upload Using Javascript" onclick="uploadFiles()" />
+        <input type="submit" value="Upload by submiting the form" />
     </form>
+
+    <script type="text/javascript">
+        function uploadFiles() {
+            let files = document.getElementById("upload_files").files;
+            let formData = new FormData();
+            for (var i = 0; i < files.length; i++) {
+                formData.append("files[]", files[i]);
+            }
+
+            fetch('/upload',
+                {
+                    method: "POST",
+                    body: formData
+                }).
+                then(data => window.location = "/files").
+                catch(e => window.alert("upload failed: file too large"));
+        }
+    </script>
 </body>
+
 </html>
\ No newline at end of file
