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2017-12-28 08:30:19 +00:00
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snippets/truthCheckCollection.md
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@ -5,9 +5,9 @@ Checks if the predicate (second argument) is truthy on all elements of a collect
Use `Array.every()` to check if each passed object has the specified property and if it returns a truthy value.
```js
const truthCheckCollection = (collection, pre) => (collection.every(obj => obj[pre]));
const truthCheckCollection = (collection, pre) => collection.every(obj => obj[pre]);
```
```js
truthCheckCollection([{"user": "Tinky-Winky", "sex": "male"}, {"user": "Dipsy", "sex": "male"}], "sex") // true
truthCheckCollection([{ user: 'Tinky-Winky', sex: 'male' }, { user: 'Dipsy', sex: 'male' }], 'sex'); // true
```