const arrays = [
[ '6', 'Shorter', '157' ],
[ '7', 'Fraser', '158' ],
[ '8', 'Test', '159' ]
]
const firstArray = []
const secondArray = []
const thirdArray = []
arrays.forEach(array => {
firstArray.push(array[0])
secondArray.push(array[1])
thirdArray.push(array[2])
})
console.log(firstArray)
console.log(secondArray)
console.log(thirdArray)