web-feature: XMLSerializer

Widely available

The XMLSerializer API provides the serializeToString() method to construct an XML string representing a DOM tree.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-08

Servo

Android

2026-08

ArkWeb

HarmonyOS

*

Chrome Browser

Android

18

Safari Browser

iOS

1