diff --git a/js/legacy.js b/js/legacy.js
index e50a64d9..64f565a6 100644
--- a/js/legacy.js
+++ b/js/legacy.js
@@ -174,9 +174,16 @@
return true;
}
- // not checking for async/await, ES6 or Promise support, as most
- // browsers introduced these earlier then webassembly and webcrypto:
- // https://github.com/PrivateBin/PrivateBin/pull/431#issuecomment-493129359
+ // async & ES6 support
+ try {
+ eval('async () => {}');
+ } catch (e) {
+ if (e instanceof SyntaxError) {
+ return true;
+ } else {
+ throw e; // throws CSP error
+ }
+ }
return false;
}
diff --git a/tpl/bootstrap.php b/tpl/bootstrap.php
index c8ffa8b7..d484edfa 100644
--- a/tpl/bootstrap.php
+++ b/tpl/bootstrap.php
@@ -71,7 +71,7 @@ if ($MARKDOWN):
endif;
?>
-
+