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Done #4857

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Done #4857

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25 changes: 25 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@
var recipes = {cake:"eggs", bread: "flour"}

function updateObjectWithKeyAndValue(object, key, value) {
var newObject = Object.assign({}, object, {[key]: value})
return newObject
}

function destructivelyUpdateObjectWithKeyAndValue(object, key, value) {
object[key] = value
return object
}

function deleteFromObjectByKey(object, key) {
var newObject = Object.assign({}, object)
delete newObject[key]
return newObject

}

function destructivelyDeleteFromObjectByKey(object, key) {
delete object[key]
return object
}

console.log(updateObjectWithKeyAndValue(recipes, 'soup', "water"))