题解 | #数组排序#
数组排序
https://www.nowcoder.com/practice/18ea36ef9b0c470e9db7681eced6e8df
优雅
function updata(data) {
ul.innerHTML = ''
let frg = document.createDocumentFragment()
data.forEach((item, index) => {
let liEl = document.createElement('li')
liEl.innerHTML = item.name
frg.append(liEl)
})
ul.append(frg)
}
updata(cups)
let salesSortArr = [data => data.sort((r1, r2) => r1.sales - r2.sales), data => data.sort((r1, r2) => r2.sales - r1.sales)]
upbtn.onclick = function () {
let newData = salesSortArr[0](cups)
updata(newData)
}
downbtn.onclick = function () {
let newData = salesSortArr[1](cups)
updata(newData)
}
