The previousRect
read-only property of the LayoutShiftAttribution
interface returns a DOMRectReadOnly
object representing the position of the element before the shift.
LayoutShiftAttribution.previousRect
Value
A DOMRectReadOnly
object.
Examples
The following example prints the previousRect
of the first item in LayoutShift.sources
to the console.
new PerformanceObserver((list) => { for (const {sources} of list.getEntries()) { if (sources) { console.log(sources[0].previousRect); } } }).observe({type: 'layout-shift', buffered: true});
Specifications
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
previousRect |
77
|
80
|
No
|
No
|
64
|
No
|
77
|
77
|
No
|
55
|
No
|
12.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/LayoutShiftAttribution/previousRect