---
title: "JSStringGetLength(_:)"
framework: javascriptcore
role: symbol
role_heading: Function
path: "javascriptcore/jsstringgetlength(_:)"
---

# JSStringGetLength(_:)

Returns the number of Unicode characters in a JavaScript string.

## Declaration

```swift
func JSStringGetLength(_ string: JSStringRef!) -> Int
```

## Parameters

- `string`: The doc://com.apple.javascriptcore/documentation/JavaScriptCore/JSStringRef with the length (in Unicode characters) you want to know.

## Return Value

Return Value The number of Unicode characters in string.

## See Also

### Accessing JavaScript String Information

- [JSStringGetCharactersPtr(_:)](javascriptcore/jsstringgetcharactersptr(_:).md)
- [JSStringGetMaximumUTF8CStringSize(_:)](javascriptcore/jsstringgetmaximumutf8cstringsize(_:).md)
- [JSStringGetUTF8CString(_:_:_:)](javascriptcore/jsstringgetutf8cstring(_:_:_:).md)