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Array.from()可以转换成数组

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let list = document.getElementById("test-list");

let arr = Array.from(list.children);

function compare(x,y) { var xText = x.innerText; var yText = y.innerText; if (xText > yText) { return 1; } if (xText < yText) { return -1; } return 0; } arr.sort(compare);

for (let i of arr) { list.appendChild(i); }

学习了


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