Event.srcElement: The event target of the current dispatching. Use the `target` property instead. https://dom.spec.whatwg.org/#dom-event-srcelement
Event.cancelBubble: `true` if event bubbling was stopped. Stop event bubbling if `true` is set. https://dom.spec.whatwg.org/#dom-event-cancelbubble Use the `stopPropagation()` method instead. https://dom.spec.whatwg.org/#dom-event-cancelbubble
Event.returnValue: `true` if the default behavior will act. Cancel the default behavior if `false` is set. Use the `defaultPrevented` proeprty instead. https://dom.spec.whatwg.org/#dom-event-returnvalue Use the `preventDefault()` method instead. https://dom.spec.whatwg.org/#dom-event-returnvalue
Event.initEvent: Don't use this method. The constructor did initialization.
EventTarget.addEventListener: Add an event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
EventTarget.removeEventListener: Remove an added event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
RTCPeerConnection.addEventListener: Add an event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
RTCPeerConnection.removeEventListener: Remove an added event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
RTCErrorEvent.srcElement: The event target of the current dispatching. Use the `target` property instead. https://dom.spec.whatwg.org/#dom-event-srcelement
RTCErrorEvent.cancelBubble: `true` if event bubbling was stopped. Stop event bubbling if `true` is set. https://dom.spec.whatwg.org/#dom-event-cancelbubble Use the `stopPropagation()` method instead. https://dom.spec.whatwg.org/#dom-event-cancelbubble
RTCErrorEvent.returnValue: `true` if the default behavior will act. Cancel the default behavior if `false` is set. Use the `defaultPrevented` proeprty instead. https://dom.spec.whatwg.org/#dom-event-returnvalue Use the `preventDefault()` method instead. https://dom.spec.whatwg.org/#dom-event-returnvalue
RTCErrorEvent.initEvent: Don't use this method. The constructor did initialization.
RTCFrameCryptor.addEventListener: Add an event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
RTCFrameCryptor.removeEventListener: Remove an added event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
MediaStream.addEventListener: Add an event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
MediaStream.removeEventListener: Remove an added event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
MediaStreamTrack.addEventListener: Add an event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
MediaStreamTrack.removeEventListener: Remove an added event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
mediaDevices.addEventListener: Add an event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
mediaDevices.removeEventListener: Remove an added event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
EventTarget.AbortSignal.addEventListener: Add an event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.
EventTarget.AbortSignal.removeEventListener: Remove an added event listener. Use `{capture: boolean}` object instead of a boolean value. Use `{capture: boolean}` object instead of a boolean value.