kylefdoherty/remove_item_from_array_no_mutation.js

## remove_item_from_array_no_mutation.js
const immutableArray = [1, 2, 3, 4]

const index = 2
const newArrayLess3 = [
  ...immutableArray.slice(0, index),
  ...immytableArray.slice(index + 1),
]

# => newArrayLess3 = [1, 2, 4]
# => immutableArray = [1, 2, 3, 4]
	const immutableArray = [1, 2, 3, 4]

	const index = 2
	const newArrayLess3 = [
	...immutableArray.slice(0, index),
	...immytableArray.slice(index + 1),
	]

	# => newArrayLess3 = [1, 2, 4]
	# => immutableArray = [1, 2, 3, 4]