17 lines
550 B
Markdown
17 lines
550 B
Markdown
### lowercaseKeys
|
|
|
|
Creates a new object from the specified object, where all the keys are in lowercase.
|
|
|
|
Use `Object.keys()` and `Array.reduce()` to create a new object from the specified object.
|
|
Convert each key in the original object to lowercase, using `String.toLowerCase()`.
|
|
|
|
```js
|
|
const lowercaseKeys = obj =>
|
|
Object.keys(obj).reduce((acc,key) => {acc[key.toLowerCase()] = obj[key]; return acc;},{});
|
|
```
|
|
|
|
```js
|
|
const myObj = {Name: 'Adam', sUrnAME: 'Smith'};
|
|
const myObjLower = lowercaseKeys(myObj); // {name: 'Adam', surname: 'Smith'};
|
|
```
|