core/html/canvas/OffscreenCanvas.idl

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

[
    Constructor([EnforceRange] unsigned long width, [EnforceRange] unsigned long height),
    GarbageCollected,
    Exposed=(Window,Worker),
    RuntimeEnabled=ExperimentalCanvasFeatures,
] interface OffscreenCanvas {
    [EnforceRange] attribute unsigned long width;
    [EnforceRange] attribute unsigned long height;
};