35 lines
94 KiB
Markdown
35 lines
94 KiB
Markdown
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---
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title: "assert"
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excerpt: "Check a value at runtime, and raise an error if the argument provided"
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layout: manual
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---
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Check a value at runtime, and raise an error if the argument provided
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is false.
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```js
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assert(data: bool, message: string) -> ()
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```
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### Examples
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```js
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const myVar = true
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assert(myVar, "should always be true")
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```
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* `message`: `string` (REQUIRED)
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### Returns
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`()`
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