30-seconds-of-code
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A collection of useful JavaScript snippets.
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Markdown
### allEqual
Check if all elements are equal
Use `Array.every()` to check if all the elements of the array are the same as the first one.
```js
const allEqual = arr => arr.every(val => val === arr[0]);
```
```js
allEqual([1, 2, 3, 4, 5, 6]); // false
allEqual([1, 1, 1, 1]); // true
```