What does the Object.keys(obj) method return in JavaScript?OptionsThe object's prototypeThe object itselfAn array of the object's own enumerable property namesAn array of all properties, including non-enumerable ones

What is true about JavaScript objects?Options: One or more answers may be correctthey are mutablethey are immutablethey are created with curly brackets i.e. { }they are collection of key value pair(s)the values are of same data type

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

What is the purpose of the hasOwnProperty() method in JavaScript objects?Question 1Answera.It checks if an object has a specific property as its own propertyb.It checks if an object is emptyc.It adds a new property to an objectd.It removes a property from an object

How do you add a key/value pair to a JavaScript object?

What does the Promise object in JavaScript represent?OptionsA synchronous operationAn asynchronous operation that may produce a value in the futureA regular JavaScript objectAn array of values