This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The fence read-only property of the Window interface returns a Fence object instance for the current document context.
Fence objects are only available to documents embedded inside <fencedframe>s (loaded via FencedFrameConfigs) or <iframe>s (loaded via opaque URNs).
Note: See How do <fencedframe>s work? for some description around FencedFrameConfigs and opaque URNs.
A Fence object instance, or null if the document context does not have access to a Fence object.
window.fence.reportEvent({
eventType: "click",
eventData: JSON.stringify({ clickX: "123", clickY: "456" }),
destination: ["buyer", "seller"],
});
| Specification |
|---|
| Fenced Frame> # dom-window-fence> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
fence |
126 | 126 | No | 112 | No | 126 | No | 83 | No | 28.0 | No | No |
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https://developer.mozilla.org/en-US/docs/Web/API/Window/fence