I created a Javascript/jQuery script that uses a few functions to create dynamic html tables (unknow number of columns and unknown column headings/data types), with an optional subtotals row, from a ...

Learn how to make the most of Observable JavaScript and the Observable Plot library, including a step-by-step guide to eight basic data visualization tasks in Plot.

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