2 files changed, 31 insertions, 0 deletions
diff --git a/test/data/core/onready.html b/test/data/core/onready.html
new file mode 100644
index 000000000..1e8f127e7
--- /dev/null
+++ b/test/data/core/onready.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<html>
+<head>
+	<meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
+	<title>alias-masked DOM properties (#14074)</title>
+	<script>
+		var error = false;
+		window.onready = function() { error = "Called window.onready"; };
+	</script>
+	<script src="../../jquery.js"></script>
+</head>
+<body>
+	<form>
+		<input type="text" id="nodeName"/>
+	</form>
+	<script>
+		jQuery(function() {
+			setTimeout( function() {
+				window.parent.iframeCallback( error );
+			});
+		});
+	</script>
+</body>
+</html>
+\ No newline at end of file
diff --git a/test/unit/core.js b/test/unit/core.js
index 6801c7c0d..d1b221ce8 100644
--- a/test/unit/core.js
+++ b/test/unit/core.js
@@ -1516,3 +1516,10 @@ testIframeWithCallback( "Tolerating alias-masked DOM properties (#14074)", "core
 			deepEqual( errors, [], "jQuery loaded" );
 	}
 );
+
+testIframeWithCallback( "Don't call window.onready (#14802)", "core/onready.html",
+	function( error ) {
+			expect( 1 );
+			equal( error, false, "no call to user-defined onready" );
+	}
+);