toggle()表示()。
A、A.如果不存在类名就添加一个;否则,删除它
B、B.从元素的class属性中添加和清除一个类名
C、C.检测class属性中是否包含一个指定的类名
D、D.以上都不正确
A、A.如果不存在类名就添加一个;否则,删除它
B、B.从元素的class属性中添加和清除一个类名
C、C.检测class属性中是否包含一个指定的类名
D、D.以上都不正确
A、Spliced into the ring on the stem post B、Secured by a toggle around the outboard side of a forward thwart C、Secured to the inboard side of a forward thwart and led inboard of the falls D、Secured by a toggle to the stem post and led outboard of the falls
A、Secured to the inboard side of a forward thwart and led inboard of the falls B、Spliced into the ring on the stem post C、Secured by a toggle to the stem post and led outboard of the falls D、Secured by a toggle around the outboard side of a forward thwart
A、Spliced into the ring on the stem post B、Secured to the inboard side of a forward thwart and led inboard of the falls C、Secured by a toggle to the stem post and led outboard of the falls D、Secured by a toggle around the outboard side of a forward thwart