LayoutShiftAttribution: previousRect property

Limited availability

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 previousRect read-only property of the LayoutShiftAttribution interface returns a DOMRectReadOnly object representing the position of the element before the shift.

Value

A DOMRectReadOnly object.

Examples

The following example prints the previousRect of the first item in LayoutShift.sources to the console.

js
new PerformanceObserver((list) => {
  for (const { sources } of list.getEntries()) {
    if (sources) {
      console.log(sources[0].previousRect);
    }
  }
}).observe({ type: "layout-shift", buffered: true });

Specifications

Specification
Layout Instability
# dom-layoutshiftattribution-previousrect

Browser compatibility

BCD tables only load in the browser