② hide([speed,[easing],[fn]])
③ toggle([speed],[easing],[fn])
2....滑动显示和隐藏方式
① slideDown([speed],[easing],[fn])
② slideUp([speed,[easing],[fn]])
③ slideToggle...([speed],[easing],[fn])
3....淡入淡出显示和隐藏方式
① fadeIn([speed],[easing],[fn])
② fadeOut([speed],[easing],[fn])
③ fadeToggle...([speed,[easing],[fn]])
7.