Travis build: 1194
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@ -7,9 +7,12 @@ Use `Array.reduce()` to create a new object with the same values and mapped keys
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```js
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const mapKeys = (obj, fn) =>
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Object.keys(obj).reduce((acc,k) => {acc[fn(obj[k], k, obj)] = obj[k]; return acc;},{});
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Object.keys(obj).reduce((acc, k) => {
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acc[fn(obj[k], k, obj)] = obj[k];
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return acc;
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}, {});
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```
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```js
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mapKeys({ 'a': 1, 'b': 2 }, (val, key) => key + val); // { a1: 1, b2: 2 }
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mapKeys({ a: 1, b: 2 }, (val, key) => key + val); // { a1: 1, b2: 2 }
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```
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