preventDefault是阻止浏览器默认行为,阻止冒泡是stopPropagationEvent.prototype.stopPropagation = function () {}重写stopPropagation应该能满足你的需求
preventDefault是阻止浏览器默认行为,阻止冒泡是stopPropagation
重写stopPropagation应该能满足你的需求