我有一个如下所示的本地存储:
Key: Savedme
Value:
{
"Bob":["1","1"],
"John":["2","1"],
"Mom":["3","1"],
"Dad":["1","2"],
"Tom":["3","2"],
"Skipper42":["2","3"],
"Hated_41":["3","3"],
"Greeneggs":["2","2"],
"William":["1","3"]
}
我需要以某种方式对其进行排序,使其看起来像这样
{
"Bob":["1","1"],
"Dad":["1","2"],
"William":["1","3"]
"John":["2","1"],
"Greeneggs":["2","2"],
"Skipper42":["2","3"],
"Mom":["3","1"],
"Tom":["3","2"],
"Hated_41":["3","3"]
}
我试过将它存储在这样的矩阵中:
var $runthrough = [[]];
$runthrough[$x,$y] = $values;
其中 x 是第一组数字,y 是下一组,然后 values 是 Bob、Dad 等...从那里我可以为矩阵的两个部分做一个 foreach 并且它会完成,但是当我在它运行完一组对象后使用此方法,第二组给出“未定义”,即使我已经设置了一些触发器来检查并且它实际上并没有未定义。
var loadarray = JSON.parse(localStorage.getItem( 'savedme' ));
$.each(loadarray, function(k, v) {
if(typeof k === 'undefined' || !k){
console.error("undefined found at k!");
};
if(typeof v[0] === 'undefined' || !v[0]){
console.error("undefined found at x!");
};
if(typeof v[1] === 'undefined' || !v[1]){
console.error("undefined found at y!");
};
});
所以我开始意识到,我可能对数组做错了,所以我认为整理数组然后使用相同的函数会更快。它必须像这样排序,因为它基本上要输出到矩阵表,我试过这样排序:
{
"1":["1","Bob"],
"2":["1","John"],
}
但是...索引值 1 会被最后一个值覆盖
最佳答案
您可以使用相同的索引链接值的增量。
var a = [
{ "Bob": ["1", "1"] },
{ "John": ["2", "1"] },
{ "Mom": ["3", "1"] },
{ "Dad": ["1", "2"] },
{ "Tom": ["3", "2"] },
{ "Skipper42": ["2", "3"] },
{ "Hated_41": ["3", "3"] },
{ "Greeneggs": ["2", "2"] },
{ "William": ["1", "3"] }
];
a.sort(function (a, b) {
var aa = a[Object.keys(a)],
bb = b[Object.keys(b)];
if (aa[0] === bb[0]) {
return aa[1] - bb[1];
} else {
return aa[0] - bb[0];
}
});
document.querySelector("#demo").innerHTML = JSON.stringify(a, null, 4);
<div id="demo"></div>
2021 年更新
const
array = [{ Bob: ["1", "1"] }, { John: ["2", "1"] }, { Mom: ["3", "1"] }, { Dad: ["1", "2"] }, { Tom: ["3", "2"] }, { Skipper42: ["2", "3"] }, { Hated_41: ["3", "3"] }, { Greeneggs: ["2", "2"] }, { William: ["1", "3"] }];
array.sort((a, b) => {
const
aa = Object.values(a)[0],
bb = Object.values(b)[0];
return aa[0] - bb[0] || aa[1] - bb[1];
});
console.log(array);
.as-console-wrapper { max-height: 100% !important; top: 0; }
关于javascript - 在数组中按数组排序对象?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/30801663/