# every()

## `areTrue().every()`

Checks whether every of the provided [`values`](https://docs.angular-package.dev/type/are/aretrue/..#...values-any) of [`areTrue()`](https://docs.angular-package.dev/type/are/aretrue) is a [`boolean`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean) type or an instance of [`Boolean`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean) equal to `true`.

{% hint style="info" %}
The method uses [`every()`](https://docs.angular-package.dev/type/are/aredeterminer/every) method of [`areDeterminer()`](https://docs.angular-package.dev/type/are/aredeterminer).
{% endhint %}

### Returns

The **return value** is a [`boolean`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean) indicating whether the provided [`values`](https://docs.angular-package.dev/type/are/aretrue/..#...values-any) of [`areTrue()`](https://docs.angular-package.dev/type/are/aretrue) are a [`boolean`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean) type or an instance of [`Boolean`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean) equal to `true`.

## Example usage

```typescript
// Example usage.
import { areTrue } from '@angular-package/type';

const deleteElements = [true, false, false,  new Boolean(false)];

areTrue(...deleteElements).every((result, value, payload) => {
  result // false
  value // [ true, false, false, Boolean ]
  payload // undefined
  return result;
}); // false, boolean
```