39 lines
642 B
Markdown
39 lines
642 B
Markdown
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# Functions
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<a id="isfunction"></a>
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## isFunction
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▸ **isFunction**(value: *`any`*): `boolean`
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*Defined in [is/function.ts:20](https://github.com/polkadot-js/common/blob/02d4155/packages/util/src/is/function.ts#L20)*
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*__name__*: isFunction
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*__signature__*: isFunction (value: any): boolean
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*__summary__*: Tests for a `function`.
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*__description__*: Checks to see if the input value is a JavaScript function.
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*__example__*:
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```javascript
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import { isFunction } from '@polkadot/util';
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isFunction(() => false); // => true
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```
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**Parameters:**
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| Param | Type |
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| ------ | ------ |
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| value | `any` |
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**Returns:** `boolean`
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___
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