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# setValue(_:at:)

Sets the value at the specified numeric index in the JavaScript object value.

```
func setValue(_ value: Any!, at index: Int)
```

## Parameters

`value`

The value to set at the specified index.

`index`

An index in the JavaScript object.

## Discussion

Calling this method is equivalent to using the subscript operator with a numeric subscript in JavaScript. Use it to access elements of JavaScript arrays or of objects with numerically-indexed properties.

## Topics

### Related Documentation

[`setObject(_:atIndexedSubscript:)`](/documentation/JavaScriptCore/JSValue/setObject(_:atIndexedSubscript:))

Sets the value’s JavaScript property at the specified index, allowing subscript syntax.


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