题解 | #数组排序#
数组排序
https://www.nowcoder.com/practice/18ea36ef9b0c470e9db7681eced6e8df
let resDOM = (arr) => {
let str = ''
arr.forEach(e => str += `<li>${e.name}</li>`)
ul.innerHTML = str
}
upbtn.onclick = () => {
cups.sort((a,b) => a.sales - b.sales)
resDOM(cups)
}
downbtn.onclick = () => {
cups.sort((a,b) => b.sales - a.sales)
resDOM(cups)
}
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