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[英]Is there a `.map` like function for objects? To create a new object with the same keys
[英]Map keys and create a new object
var str = "145.10880940000004,-37.9333893,10"
var view = str.split(",");
console.log(view);
創建一個數組:
[
"145.10880940000004",
"-37.9333893",
"10"
]
我如何動態映射鍵,以便有一個像這樣的對象:
{
Lng: "145.10880940000004",
Lat: "-37.9333893",
Zoom: "10"
}
使用數組解構,這將起作用:
const input = "145.10880940000004,-37.9333893,10"; const [Lng, Lat, Zoom] = input.split(','); const output = {Lng, Lat, Zoom}; console.log(output);
與@Robby Cornelissen的答案類似,如果您擁有多個這些值,則可以使用.map
和參數解構來巧妙地做到這一點:
const values = [ "145.10880940000004,-37.9333893,10", "145.10880940000004,-37.9333893,10", ]; console.log( values .map(str => str.split(',')) .map(([Lng, Lat, Zoom]) => ({Lng, Lat, Zoom})) );
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