Answer would be Option 3 -- Error because Class in JavaScript is (mostly) just syntactical sugar. The underlying working is same as the constructor function. Since, in the code snippet we are creating an instance, using the new operator, but returning a non-primitive value from the constructor so implicit this will be lost and instance won't have any getData method to call.

To understand how new operator works, watch The behaviour and concepts explained in the video applies to ES6 Classes also.