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# DOMDocument Additions

Additions to the `DOMDocument` class facilitate communication between the DOM API and WebKit and help convert DOM URL element attributes into web-friendly URLs.

## Topics

### Getting the web frame

[`var webFrame: WebFrame!`](/documentation/WebKit/DOMDocument/webFrame)

The web frame associated with the DOM document.

### Constructing URLs

[`func url(withAttributeString: String!) -> URL!`](/documentation/WebKit/DOMDocument/url(withAttributeString:))

Constructs a URL given an attribute string.

## See Also

  [WebKit DOM Programming Topics](https://developer.apple.com/library/archive/documentation/AppleApplications/Conceptual/SafariJSProgTopics/index.html#//apple_ref/doc/uid/TP40001483)

  [WebKit Objective-C Programming Guide](https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/DisplayWebContent/DisplayWebContent.html#//apple_ref/doc/uid/10000164i)


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