Jim*_*ver 4 javascript arrays destructor object
我有以下结构:
const data = {
invoices: [
{
Date: "2018-12-18T00:00:00.000Z",
InvoiceNumber: "59"
},
{
Date: "2018-12-18T00:00:00.000Z",
InvoiceNumber: "59"
}
]
};
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我想将 InvoiceNumber 的所有实例重命名为 CreditNoteNumber 以提供以下信息:
const data = {
invoices: [
{
Date: "2018-12-18T00:00:00.000Z",
CreditNoteNumber: "59"
},
{
Date: "2018-12-18T00:00:00.000Z",
CreditNoteNumber: "59"
}
]
};
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例如,我尝试了以下各种方法:
var changed = data.invoices.map(function(item) {
return {
...data.invoices,
CreditNoteNumber: item.InvoiceNumber
};
});
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然而,价差将 CreditNoteNumber 推到对象之外。
只需使用解构并重命名
const data = {
invoices: [
{
Date: "2018-12-18T00:00:00.000Z",
InvoiceNumber: "59"
},
{
Date: "2018-12-18T00:00:00.000Z",
InvoiceNumber: "59"
}
]
};
var changed = data.invoices.map(
({ Date, InvoiceNumber: CreditNoteNumber }) => ({ Date, CreditNoteNumber })
);
console.log(changed);
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