2
的followning代碼需要兩個陣列(fields
和photos
),得到名字和各自領域的價值,並將它們添加到一個新的數組(panoramas
):如何合併這兩個foreach循環(只用一個)?
功能:
const panoramas = this.uploads.finished.map(photos => {
let panorama = {}
fields.forEach(field => { panorama[field.name] = field.value })
photos.forEach(photo => { panorama[photo.name] = photo.value })
return panorama
})
輸入:
fields
:
[{
name: "name"
type: "hidden"
value: ""
}, {
name: "description"
type: "hidden"
value: ""
}, {
name: "photo"
type: "file"
value: ""
}, {
name: "photo2"
type: "file"
value: ""
}]
photos
:
[{
name: "photo"
value: "1.png"
}, {
name: "photo2"
value: "2.jpg"
}]
輸出:
panoramas:
[{
name: "name"
type: "hidden"
value: ""
}, {
name: "description"
type: "hidden"
value: ""
}, {
name: "photo"
type: "file"
value: "1.png"
}, {
name: "photo2"
type: "file"
value: "2.png"
}]
正如你可以看到我使用的是內部map
2個forEach
循環。有沒有辦法只使用一個forEach
的方法嗎?
Yo're個天才! (也許我太笨了。) – alex
高度懷疑兩者斷言XD。 –
此輸出沒有問題通緝。 –