16.
Which is the correct code that returns a complex number that is the complex conjugate of this one?

17.
How can we make methods available on all objects?

18.
What is the procedure to add methods to HTMLElement so that they will be inherited by the objects that represent the HTML tags in the current document?

19.
You can refresh the webpage in JavaScript by using

20.
The functions provide() and require() of Dojo toolkit and Google’s Closure library are used for