diff --git a/node_modules/jquery/src/var/isFunction.js b/node_modules/jquery/src/var/isFunction.js
new file mode 100644
index 0000000..dad662e
--- /dev/null
+++ b/node_modules/jquery/src/var/isFunction.js
@@ -0,0 +1,13 @@
+define( function() {
+	"use strict";
+
+	return function isFunction( obj ) {
+
+      // Support: Chrome <=57, Firefox <=52
+      // In some browsers, typeof returns "function" for HTML <object> elements
+      // (i.e., `typeof document.createElement( "object" ) === "function"`).
+      // We don't want to classify *any* DOM node as a function.
+      return typeof obj === "function" && typeof obj.nodeType !== "number";
+  };
+
+} );