Say I have an array that's used a lot, such as an identity matrix, which I want to make sure isn't modified accidentally. How can I create a JavaScript array that can't be modified?Say I have an array that's used a lot, such as
Say I have an array that's used a lot, such as an identity matrix, which I want to make sure isn't modified accidentally. How can I create a JavaScript array that can't be modified?Say I have an array that's used a lot, such as