To declare a variable use what keyword?

The 'js' in Node.js stands for?

Which is a comment in node?

How do you require a module?

NPM is a...

How do you output to console in node.js?

How does it affect the performance of a web application when an execution path contains a CPU-heavy operation, such as calculating a long Fibonacci sequence?

What is Node built on?

Which choice is not a subclass of the Error class?

Which choice is not a method on the util module?

Which assert module method is usually used to test the error-first argument in callbacks?