File: layout_shift.idl

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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://wicg.github.io/layout-instability/#sec-layout-shift
[Exposed=Window]
interface LayoutShift : PerformanceEntry {
    readonly attribute double value;
    readonly attribute boolean hadRecentInput;
    readonly attribute DOMHighResTimeStamp lastInputTime;
    [SameObject, SaveSameObject] readonly attribute FrozenArray<LayoutShiftAttribution> sources;

    [CallWith=ScriptState, ImplementedAs=toJSONForBinding] object toJSON();
};