// https://w3c.github.io/pointerevents/#extensions-to-the-globaleventhandlers-mixin
partial interface mixin GlobalEventHandlers {
    attribute EventHandler onpointerover;
    attribute EventHandler onpointerenter;
    attribute EventHandler onpointerdown;
    attribute EventHandler onpointermove;
    [SecureContext] attribute EventHandler onpointerrawupdate;
    attribute EventHandler onpointerup;
    attribute EventHandler onpointercancel;
    attribute EventHandler onpointerout;
    attribute EventHandler onpointerleave;
    attribute EventHandler ongotpointercapture;
    attribute EventHandler onlostpointercapture;
};