innerHTmL problems. Not synchronous?

racket-webview.rkt

@@ -745,8 +745,8 @@
   (if (string? html)
       (let ((r (webview-call-js wv
                                 (with-id id el
-                                  ("el.innerHTML = '~a'; 
-await new Promise(resolve => setTimeout(resolve, 0)); return true;" (esc-quote html))))))
+                                  ("el.innerHTML = '~a';window.setTimeout(function (){ }, 0); return true;"
+                                   (esc-quote html))))))
         (if r 'oke 'failed))
       (webview-set-innerHTML! wv id (xexpr->string html))
       )

wv-window.rkt

@@ -97,7 +97,7 @@
                                               "  let a = (el === null) ? -1 : el.getAttribute('type');\n"
                                               "  if (a == -1) {\n"
                                               "     return a;\n"
-                                              "  else { \n"
+                                              "  } else { \n"
                                               "    if (a === null) {\n"
                                               "      return false;\n"
                                               "    } else {\n"