Array.includes vs Object member lookup

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Object member lookup
const cellMap = new Map()
cellMap.set('1', 0)
cellMap.set('2', 1)
cellMap.set('3', 2)
cellMap.set('4', 3)

const cells = [
	{
		cellKey: null,
	},
	{
		cellKey: null,
	},
	{
		cellKey: null,
	},
	{
		cellKey: null,
	},
]

const freeCells = [0,1,2,3]

const cellPoolIndex = cellMap.get('2')
const isCellActive = (cellPoolIndex != null ? cells[cellPoolIndex].cellKey : null) != null
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Array.includes
const cellMap = new Map()
cellMap.set('1', 0)
cellMap.set('2', 1)
cellMap.set('3', 2)
cellMap.set('4', 3)

const cells = [
	{
		cellKey: null,
	},
	{
		cellKey: null,
	},
	{
		cellKey: null,
	},
	{
		cellKey: null,
	},
]

const freeCells = [0,1,2,3]

const cellPoolIndex = cellMap.get('2')
const isCellActive = !freeCells.includes(cellPoolIndex)
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