https://github.com/xotic750/array-includes-x
Determines whether an array includes a certain element.
https://github.com/xotic750/array-includes-x
array browser includes javascript nodejs
Last synced: 6 months ago
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Determines whether an array includes a certain element.
- Host: GitHub
- URL: https://github.com/xotic750/array-includes-x
- Owner: Xotic750
- License: mit
- Created: 2017-08-14T16:38:50.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2023-01-04T22:56:19.000Z (over 3 years ago)
- Last Synced: 2025-06-03T22:43:24.337Z (11 months ago)
- Topics: array, browser, includes, javascript, nodejs
- Language: JavaScript
- Size: 2.63 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 21
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
## array-includes-x
Determines whether an array includes a certain element.
### `module.exports` ⇒ boolean ⏏
This method determines whether an array includes a certain element,
returning true or false as appropriate.
**Kind**: Exported member
**Returns**: boolean - `true` if searched element is included; otherwise `false`.
**Throws**:
- TypeError If `array` is `null` or `undefined`.
| Param | Type | Description |
| ------------- | ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| array | Array | The array to search. |
| searchElement | \* | Element to locate in the `array`. |
| [fromIndex] | number | The position in this array at which to begin searching for searchElement. A negative value searches from the index of array.length + fromIndex by asc. Defaults to 0. |
**Example**
```js
import includes from 'array-includes-x';
const subject = [2, 3, undefined, true, 'hej', null, 2, false, 0, -0, NaN];
console.log(includes(subject, undefined)); // true
console.log(includes(subject, undefined, 3)); // false
console.log(includes(subject, NaN)); // true
console.log(includes(subject, 10)); // false
```