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dleitee/mutable.js

Created April 27, 2017 19:40
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mutable.js
const user = {
name: 'John Due',
birthdate: '1988-08-15',
}
const changeName = (user, newName) => {
const newUser = user
newUser.name = newName
return newUser
}
const userWithNewName = changeName(user, 'Jojo')
// both users will have the name = 'Jojo'
console.log(user, userWithNewName)
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