What does the this keyword refer to in a JavaScript constructor function?OptionsIt refers to the global objectIt refers to the parent objectIt refers to the first parameter passed to the constructorIt refers to the object being constructed

Which keyword is used to define a class in JavaScript?OptionsclassobjectprototypeClass

Which of the following is a method of the Object constructor in JavaScript?Review LaterObject.entries()Object.values()Object.keys()All of the above

Which of the following is not a valid way to create a new object in JavaScript?OptionsObject.create(proto)new Object(){} (object literal)Object.make()

How can you create an object in JavaScript?A. var obj = {};B. All the optionsC. var obj = new Object();D. var obj = Object();

What does the Object.keys(obj) method return in JavaScript?OptionsAn array of the object's own enumerable property namesThe object itselfAn array of all properties, including non-enumerable onesThe object's prototype