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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.
‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order ...
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.