<!--
{
  "availability" : [
    "iOS: 16.0.0 -",
    "iPadOS: 16.0.0 -",
    "macCatalyst: 13.0.0 -",
    "macOS: 10.5.0 -",
    "tvOS: 9.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "JavaScriptCore",
  "identifier" : "/documentation/JavaScriptCore/JSValue/forProperty(_:)",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Method",
  "symbol" : {
    "kind" : "Instance Method",
    "modules" : [
      "JavaScriptCore"
    ],
    "preciseIdentifier" : "c:objc(cs)JSValue(im)valueForProperty:"
  },
  "title" : "forProperty(_:)"
}
-->

# forProperty(_:)

Returns the value of the named property in the JavaScript object value.

```
func forProperty(_ property: String!) -> JSValue!
```

## Parameters

`property`

The name of a property in the JavaScript object.

## Return Value

The value of the named property, or the JavaScript `undefined` value if no property exists by that name.

## Discussion

Calling this method is equivalent to using the subscript operator with a string subscript in JavaScript. Use it to access fields or properties in JavaScript objects.

## Topics

### Related Documentation

[`objectForKeyedSubscript(_:)`](/documentation/JavaScriptCore/JSValue/objectForKeyedSubscript(_:))

Returns the value’s JavaScript property named with the specified key, allowing subscript syntax.



---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)