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[英]how do I create an array of objects with array in the object from an object with the same key in javascript
[英]how to create nested object from an array with same key (javascript)
arr = ["sadik", "arif", "rahman"]
我想创建一个具有相同键但不同值的嵌套对象,例如:
{
subcategory: {
name: sadik
subcategory: {
name: arif
subcategory: {
name: rahman
}
}
}
}
我的代码:
let arr = ['sadik', 'arif', 'babor']
let obj = {}
arr.forEach((elem) => {
let a = {}
a["subcategory"] = {name:elem}
Object.assign(obj, a)
})
我只得到最后一个值:
{
subcategory: {
name:"babor"
}
}
您的代码不起作用,因为您在每次迭代中都替换了“子类别”键值。 您每次都将引用对象更改为下一个嵌套级别以获得预期的输出,请参阅下面的工作片段:
const arr = ['level-1', 'level-2', 'level-3'] const obj = {} let refObj = obj; arr.forEach( ele => { refObj = refObj['subcategory'] || refObj; refObj['subcategory'] = { 'name': ele}; }) console.log('output', obj);
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