• 2022-06-06
    使用event. stopPropagation()方法阻止事件冒泡,其中event指的是_______。
  • 事件对象;

    内容

    • 0

      The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that. The more uncertain an event is. The more information is required to resolve uncertainty of that event. The amount of information is measured in ()

    • 1

      默认情况下无法将元素放置在其他元素中,因此需要在放置区域ondragover事件的回调函数中使用( )方法阻止默认处理。 A: event.dataTransfer.setData("text/plain",ev.target.id) B: drop(event) C: event.preventDefault() D: allowDrop(event)

    • 2

      引发事件冒泡时,要阻止事件冒泡可以使用语句

    • 3

      下列选项中,属于事件监听的处理模型的是()。 A: Event Source B: Event C: MotionEvent D: Event Listene

    • 4

      Mysql中创建事件的语句格式正确的是( )。 A: create Event …on schedule …do… B: create Event … do… C: create Event …do…on schedule … D: create Event …on schedule …for …