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[英]Javascript object Map, how to get key from value if multiple keys map to same value
[英]How to get keys from map Object with javascript
我的結構如下:
/* Wrapper to format cellphone configuration list for selectors. */
function buildConfiguration(){
return {
"Item 1": {
name: {
"aaa": 1,
},
blue: {
},
green: {
},
black: {
},
yellow: {
}
},
"item 2": {
name: {
"aaa 5": 1,
"bbb 6": 2,
"ccc 7": 3
},
blue: {
},
green: {
},
black: {
},
yellow: {
}
}
}
}
我想從此地圖對象獲取密鑰。
我正在嘗試這個console.log(Object.keys(buildConfiguration));
但返回0 itens。
能幫我嗎?
您需要調用諸如buildConfiguration()
類的函數,然后完成
function buildConfiguration(){ return { "Item 1": { name: { "aaa": 1, }, blue: { }, green: { }, black: { }, yellow: { } }, "item 2": { name: { "aaa 5": 1, "bbb 6": 2, "ccc 7": 3 }, blue: { }, green: { }, black: { }, yellow: { } } } } console.log(Object.keys(buildConfiguration()))
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