Javascript 重命名对象键
我有一个对象数组,我想在其中重命名键名,如图所示:Javascript 重命名对象键,javascript,arrays,object,key,Javascript,Arrays,Object,Key,我有一个对象数组,我想在其中重命名键名,如图所示: let Options = [{Code: 1, Label: 'abc'}, {Code: 2, Label: 'xyz'}, {Code: 3, Label: 'fgh'}]; let Options = [{value: 1, Label: 'abc'}, {value: 2, Label: 'xyz'}, {value: 3, Label: 'fgh'}]; 我想将键“Code”更改为“value”,如图所示: let Option
let Options = [{Code: 1, Label: 'abc'}, {Code: 2, Label: 'xyz'}, {Code: 3, Label: 'fgh'}];
let Options = [{value: 1, Label: 'abc'}, {value: 2, Label: 'xyz'}, {value: 3, Label: 'fgh'}];
我想将键“Code”更改为“value”,如图所示:
let Options = [{Code: 1, Label: 'abc'}, {Code: 2, Label: 'xyz'}, {Code: 3, Label: 'fgh'}];
let Options = [{value: 1, Label: 'abc'}, {value: 2, Label: 'xyz'}, {value: 3, Label: 'fgh'}];
如何实现所需的输出。您可以使用如下映射:
let Options=[{code:1,标签:'abc'},{code:2,标签:'xyz'},{code:3,标签:'fgh'}];
const res=Options.map(元素=>{
元素值=元素代码;
删除要素代码;
返回元素;
});
请在询问之前进行一些研究。找到类似的问题很简单。值在最终结果中未定义为{value:undefined,Label:'abc'}它对我很好。它对我有效:constresultaray=Options.map(elm=>({value:elm.code,Label:elm.Label})代码>谢谢!