let data = []
Array(1200).fill(null).forEach((item, i) => {
data.push(i + 1)
})
console.log(data)
console.log('-----------------------')
function initData(data) {
let arr = []
let arrI = 0
ret = []
data.forEach((item, i) => {
arr[arrI++] = data.splice(0, 10)
})
return arr
}
console.log(initData(data))