39 lines
641 B
Markdown
39 lines
641 B
Markdown
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# Functions
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<a id="isnumber"></a>
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## isNumber
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▸ **isNumber**(value: *`any`*): `boolean`
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*Defined in [is/number.ts:20](https://github.com/polkadot-js/common/blob/e5cab29/packages/util/src/is/number.ts#L20)*
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*__name__*: isNumber
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*__signature__*: isNumber (value: any): boolean
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*__summary__*: Tests for a JavaScript number.
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*__description__*: Checks to see if the input value is a valid number.
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*__example__*:
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```javascript
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import { isNumber } from '@polkadot/util';
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console.log('isNumber', isNumber(1234)); // => true
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```
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**Parameters:**
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| Name | 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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