js移除onmousemove属性?答:属性:altKey, button, cancelBubble, clientX, clientY, ctrlKey, fromElement, keyCode, offsetX, offsetY, propertyName, returnValue, screenX, screenY, shiftKey, srcElement, srcFilter, toElement, type, x, y --- 1.altKey 描述:检查alt键的状态。语法:event.altKey 可能的值:当alt键...