How To Wipe An Array Clean

You have

arr = [2,6,34,7,3,4,5,6,7,4,45]

and now you want to wipe arr so you can start over.

arr = []

There. It’s clean.

Except it’s a different array now.

The proof:

arr = [2,6,34,7,3,4,5,6,7,4,45]
p arr.object_id
arr = []
p arr.object_id

The arrays have different object_ids. You just created a new, empty array with the same name.

No sir.

Use arr.clear instead.