---
title: JSClassRef
framework: javascriptcore
role: symbol
role_heading: Type Alias
path: javascriptcore/jsclassref
---

# JSClassRef

A JavaScript class.

## Declaration

```swift
typealias JSClassRef = OpaquePointer
```

## Discussion

Discussion Use this type with JSObjectMake(_:_:_:) to construct objects with custom behavior.

## See Also

### JavaScriptCore Engine Interface

- [JSContextGroupRef](javascriptcore/jscontextgroupref.md)
- [JSContextRef](javascriptcore/jscontextref.md)
- [JSGlobalContextRef](javascriptcore/jsglobalcontextref.md)
- [JSStringRef](javascriptcore/jsstringref.md)