‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!

When you define and execute a function in JavaScript and Node, the variables that exist around it are available to the function. This simple idea, known as a closure, gives us some serious power.

The only difference is that in JavaScript the function then needs to be invoked by calling managedhost.echo (….);. When working with the Chakra engine there are a couple of points that are worth ...

At Microsoft's Ignite 2017 conference today, the company announced a range of new features that will be coming to its Excel application, such as JavaScript Custom Functions and more.