我有一个 JS 对象如下:
var obj = {"00:11:22:33:44:55" : "AddressB", "66:77:88:99:AA:BB" : "AddressA", "55:44:33:22:11:00" : "AddressC", "AA:BB:CC:DD:EE:FF" : "AddressD"};
代码如下,通过key按字母顺序排序:
sorted = Object.keys(obj)
.sort()
.reduce(function (accSort, keySort)
{
accSort[keySort] = obj[keySort];
return accSort;
}, {});
console.log(sorted);
产生输出:
{“00:11:22:33:44:55”:“地址B”,“55:44:33:22:11:00”:“地址C”,“66:77:88:99:AA:BB” :“地址A”,“AA:BB:CC:DD:EE:FF”:“地址D”}
如何按值的字母顺序对对象进行排序,以便输出为:
{“66:77:88:99:AA:BB”:“地址A”,“00:11:22:33:44:55”:“地址B”,“55:44:33:22:11:00” : "地址C", "AA:BB:CC:DD:EE:FF" : "地址D" }
您需要按keys
由于他们values
首先,然后,使用.reduce
创建结果有序对象:
const obj = {
"00:11:22:33:44:55": "AddressB",
"66:77:88:99:AA:BB": "AddressA",
"55:44:33:22:11:00": "AddressC",
"AA:BB:CC:DD:EE:FF": "AddressD"
};
const sorted = Object.keys(obj).sort((a,b) => obj[a].localeCompare(obj[b]))
.reduce((acc,key) => { acc[key] = obj[key]; return acc; }, {});
console.log(sorted);
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