var pObj1 = { a: 2, }; var obj1 = Object.create(pObj1); document.writeln(obj1.a); document.writeln(obj1.hasOwnProperty('a')); document.writeln('</br>'); obj1.a = 4; console.log(obj1); document.writeln(obj1.a); document.writeln(obj1.hasOwnProperty('a'));