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javascript - 嵌套或展开数组

转载 作者:行者123 更新时间:2023-11-30 07:40:15 24 4
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我有一个看起来像这样的对象数组。

var arr = [{'id':21 ,'name' : 'name 1' ,'vehiclename' : 'vehicle 1' ,'parentid' : 21},
{'id':21 ,'name' : 'name 1' ,'vehiclename' : 'vehicle 2' ,'parentid' : 21},
{'id':22 ,'name' : 'name 2' ,'vehiclename' : 'vehicle 1' ,'parentid' : 22},
{'id':22 ,'name' : 'name 2' ,'vehiclename' : 'vehicle 2' ,'parentid' : 22}]

我想将数组展开或分组,使其现在看起来像这样。

var arr = [{'id':21,
name: 'name 1'
vehicles : [{'vehiclename':'vehicle 1','parentid':21},
{'vehiclename':'vehicle 2','parentid':21}] },
{'id':22,
name: 'name 2'
vehicles : [{'vehiclename':'vehicle 1','parentid':22},
{'vehiclename':'vehicle 2','parentid':22}] }
}]

如有任何帮助,我们将不胜感激。

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