本文整理汇总了Golang中github.com/gopherjs/gopherjs/js.Object.IsUndefined方法的典型用法代码示例。如果您正苦于以下问题：Golang Object.IsUndefined方法的具体用法？Golang Object.IsUndefined怎么用？Golang Object.IsUndefined使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/gopherjs/gopherjs/js.Object的用法示例。
在下文中一共展示了Object.IsUndefined方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: getIDElement
func getIDElement(e js.Object) js.Object {
for {
attr := e.Get("dataset").Get(toDatasetProp(datasetAttrID))
if !attr.IsUndefined() {
return e
}
e = e.Get("parentNode")
if e.IsNull() || e.IsUndefined() {
break
}
}
return nil
}示例2: wrapEvent
func wrapEvent(o js.Object) Event {
if o.IsNull() || o.IsUndefined() {
return nil
}
ev := &BasicEvent{o}
c := o.Get("constructor")
switch c {
case js.Global.Get("AnimationEvent"):
return &AnimationEvent{ev}
case js.Global.Get("AudioProcessingEvent"):
return &AudioProcessingEvent{ev}
case js.Global.Get("BeforeInputEvent"):
return &BeforeInputEvent{ev}
case js.Global.Get("BeforeUnloadEvent"):
return &BeforeUnloadEvent{ev}
case js.Global.Get("BlobEvent"):
return &BlobEvent{ev}
case js.Global.Get("ClipboardEvent"):
return &ClipboardEvent{ev}
case js.Global.Get("CloseEvent"):
return &CloseEvent{BasicEvent: ev}
case js.Global.Get("CompositionEvent"):
return &CompositionEvent{ev}
case js.Global.Get("CSSFontFaceLoadEvent"):
return &CSSFontFaceLoadEvent{ev}
case js.Global.Get("CustomEvent"):
return &CustomEvent{ev}
case js.Global.Get("DeviceLightEvent"):
return &DeviceLightEvent{ev}
case js.Global.Get("DeviceMotionEvent"):
return &DeviceMotionEvent{ev}
case js.Global.Get("DeviceOrientationEvent"):
return &DeviceOrientationEvent{ev}
case js.Global.Get("DeviceProximityEvent"):
return &DeviceProximityEvent{ev}
case js.Global.Get("DOMTransactionEvent"):
return &DOMTransactionEvent{ev}
case js.Global.Get("DragEvent"):
return &DragEvent{ev}
case js.Global.Get("EditingBeforeInputEvent"):
return &EditingBeforeInputEvent{ev}
case js.Global.Get("ErrorEvent"):
return &ErrorEvent{ev}
case js.Global.Get("FocusEvent"):
return &FocusEvent{ev}
case js.Global.Get("GamepadEvent"):
return &GamepadEvent{ev}
case js.Global.Get("HashChangeEvent"):
return &HashChangeEvent{ev}
case js.Global.Get("IDBVersionChangeEvent"):
return &IDBVersionChangeEvent{ev}
case js.Global.Get("KeyboardEvent"):
return &KeyboardEvent{BasicEvent: ev}
case js.Global.Get("MediaStreamEvent"):
return &MediaStreamEvent{ev}
case js.Global.Get("MessageEvent"):
return &MessageEvent{BasicEvent: ev}
case js.Global.Get("MouseEvent"):
return &MouseEvent{UIEvent: &UIEvent{ev}}
case js.Global.Get("MutationEvent"):
return &MutationEvent{ev}
case js.Global.Get("OfflineAudioCompletionEvent"):
return &OfflineAudioCompletionEvent{ev}
case js.Global.Get("PageTransitionEvent"):
return &PageTransitionEvent{ev}
case js.Global.Get("PointerEvent"):
return &PointerEvent{ev}
case js.Global.Get("PopStateEvent"):
return &PopStateEvent{ev}
case js.Global.Get("ProgressEvent"):
return &ProgressEvent{ev}
case js.Global.Get("RelatedEvent"):
return &RelatedEvent{ev}
case js.Global.Get("RTCPeerConnectionIceEvent"):
return &RTCPeerConnectionIceEvent{ev}
case js.Global.Get("SensorEvent"):
return &SensorEvent{ev}
case js.Global.Get("StorageEvent"):
return &StorageEvent{ev}
case js.Global.Get("SVGEvent"):
return &SVGEvent{ev}
case js.Global.Get("SVGZoomEvent"):
return &SVGZoomEvent{ev}
case js.Global.Get("TimeEvent"):
return &TimeEvent{ev}
case js.Global.Get("TouchEvent"):
return &TouchEvent{ev}
case js.Global.Get("TrackEvent"):
return &TrackEvent{ev}
case js.Global.Get("TransitionEvent"):
return &TransitionEvent{ev}
case js.Global.Get("UIEvent"):
return &UIEvent{ev}
case js.Global.Get("UserProximityEvent"):
return &UserProximityEvent{ev}
case js.Global.Get("WheelEvent"):
return &WheelEvent{BasicEvent: ev}
default:
return ev
}
//.........这里部分代码省略.........