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RianFuro/array-objects-assign.js

Created October 12, 2018 09:18
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One important difference between Object.assign and the object spread operator for arrays in javascript
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array-objects-assign.js
const arr = [1, 2, 3]
console.log({...arr, newKey: "I'm new!"}) // { '0': 1, '1': 2, '2': 3, newKey: "I'm new!" }
console.log(Object.assign(arr, {newKey: "I'm new!"})) // [ 1, 2, 3, newKey: "I'm new!" ]
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