var list = document.getElementById('test-list');
arr = Array.from(list.children);
arr.sort((e1,e2) => e1.innerText>e2.innerText? 1:-1);
arr.forEach(e=>list.appendChild(e));
你没有替换
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*花前
var list = document.getElementById('test-list');
arr = Array.from(list.children);
arr.sort((e1,e2) => e1.innerText>e2.innerText? 1:-1);
arr.forEach(e=>list.appendChild(e));