sort实现
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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script type="text/javascript">
/*let arr=["c","b","a"];
arr.sort();//从小到大排序
console.log(arr);
/*arr.sort(function(a,b)
{
if(a>b)
{
return 1;
}
else if(a<b)
{
return -1;
}
else
{
return 0;
}
});
*/
/*let arr1=[1,2,3];
arr1.sort(function(a,b)
{
return b-a;
});
console.log(arr1);*/
/*let arr2=["1234","21","54321","6"];
arr2.sort(function(a,b)
{
//return b.length-a.length;
return a.length-b.length;
});
console.log(arr2);*/
let q=[{name:"cyg",age:34},{name:"cyg",age:341},{name:"cyg",age:343},{name:"cyg",age:342}];
q.sort(function(a,b)
{
//return a.age-b.age;
return b.age-a.age;
});console.log(q);
</script>
</body>
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原始发表：2020/09/23 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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