Question

How can I remove an element from the array which was pushed in with push?

animals = []

class Cat

cat = new Cat

animals.push cat

now can I say something like

animals.pull cat

to take the cat away from the array? Presuming that the cat variable is the same one that was pushed inside. I am just trying to create a kind of a dynamic collection..

Answer 1

If you push an element to an array, it’s added at the last position. You can then pop it back. These two methods are useful if you want to model a stack with an array.

array = []

array.push 'hello' # array is now ['hello']
array.push 'world' # array is now ['hello', 'world']

alert array.pop() # alerts 'world', array is now ['hello']
alert array.pop() # alerts 'hello', array is now []