javascript map
The map() method creates a new array with the results of calling a provided function on every element in the calling array.javascript map
The map() method creates a new array with the results of calling a provided function on every element in the calling array.map function in js
let kvArray = [{key: 1, value: 10},
{key: 2, value: 20},
{key: 3, value: 30}]
let reformattedArray = kvArray.map(obj => {
let rObj = {}
rObj[obj.key] = obj.value
return rObj
})
// reformattedArray is now [{1: 10}, {2: 20}, {3: 30}],
// kvArray is still:
// [{key: 1, value: 10},
// {key: 2, value: 20},
// {key: 3, value: 30}]Copyright © 2021 Codeinu
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