gsap-plugin/lib/getPrototypeOf.js

gsap-plugin is a javascript library which creates an scroll animations. gsap-plugin can run against vanilla javascript, jQuery and jqlite.

if (typeof Object.getPrototypeOf !== "function") {
	Object.getPrototypeOf = typeof "test".__proto__ === "object" ? function (object) {
		return object.__proto__;
	} : function (object) {
		return object.constructor.prototype;
	};
}