Functional programming with arrays Although JavaScript’s arrays are very capable out of the box, the functional paradigm improves the clarity and maintainability of array code.

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.

Among the new features is support for Azure Machine Learning and custom JavaScript functions to Excel to extend its capabilities. Excel now also allows Power BI developers to bring the custom ...

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.

You use these functions when you want to find values based on the value in a corresponding cell. Thanks to the newish dynamic array function XLOOKUP (), you now have more power and less confusion.