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# JSContextRef

A JavaScript execution context.

```
typealias JSContextRef = OpaquePointer
```

## Discussion

This holds the global object and other execution state.

## Topics

### Creating a Context Group

[`JSContextGroupCreate()`](/documentation/JavaScriptCore/JSContextGroupCreate())

Creates a JavaScript context group.

[`JSContextGroupRetain(_:)`](/documentation/JavaScriptCore/JSContextGroupRetain(_:))

Retains a JavaScript context group.

[`JSContextGroupRelease(_:)`](/documentation/JavaScriptCore/JSContextGroupRelease(_:))

Releases a JavaScript context group.

### Accessing the Global Context

[`JSContextGetGlobalContext(_:)`](/documentation/JavaScriptCore/JSContextGetGlobalContext(_:))

Gets the global context of a JavaScript execution context.


---

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