What functions do Arrays in Google Apps Script support?

Question

I keep on finding that Array functions are missing in GAS, eg calling find gives the error: Cannot find function find in object

The only d

Answer 1

Logger.log(Object.getOwnPropertyNames(Array.prototype)) gives the following, which I think it is the correct list:

[constructor, toString, toLocaleString, toSource, join, reverse, sort, push, pop, shift, unshift, splice, concat, slice, indexOf, lastIndexOf, every, filter, forEach, map, some, reduce, reduceRight, length]