‘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 function” ...

The Dilemma of Context Binding One of the most notable features of arrow functions is that they do not bind their own this; instead, they inherit the this value from the outer scope. This can simplify ...

Use popular 'grammar of data' syntax to filter and subset your two-dimensional JavaScript arrays and more. Here's how to use Arquero for data wrangling in Observable JavaScript and Node.js. There are ...