Izmjenjena struktura, dodan backand

web/node_modules/core-js/modules/es6.object.to-string.js

@@ -0,0 +1,10 @@
+'use strict';
+// 19.1.3.6 Object.prototype.toString()
+var classof = require('./$.classof')
+  , test    = {};
+test[require('./$.wks')('toStringTag')] = 'z';
+if(test + '' != '[object z]'){
+  require('./$.redefine')(Object.prototype, 'toString', function toString(){
+    return '[object ' + classof(this) + ']';
+  }, true);
+}