JavaScript’s arrays can hold heterogeneous types, change size on the fly ... In general, functional programming looks to use functions as operators that can be passed into arrays.

Both versions are likely to change how the language works in pretty profound ways, with the introduction of immutable types, be it as value types or structured arrays, being on of ... the way you code ...

This will open Excel up to far more custom data types, including content cards, images, matrices, arrays, and formatted number values. Excel has long had support for macros and add-ins ...