runtime(js): refactor caml_xmlhttprequest_create

Signed-off-by: Sora Morimoto <[email protected]>

Author: smorimoto

runtime/js/jslib_js_of_ocaml.js

@@ -72,12 +72,11 @@ function caml_js_get_console() {
 //Requires: caml_failwith
 //Weakdef
 function caml_xmlhttprequest_create(unit) {
-  if (typeof globalThis.XMLHttpRequest !== "undefined") {
-    try {
-      return new globalThis.XMLHttpRequest();
-    } catch (e) {}
+  try {
+    return new globalThis.XMLHttpRequest();
+  } catch {
+    caml_failwith("Cannot create a XMLHttpRequest");
   }
-  caml_failwith("Cannot create a XMLHttpRequest");
 }
 
 //Provides: caml_js_error_of_exception