Effects
hide() / show()
$(selector).hide(speed,callback);
$(selector).show(speed,callback);
speed - "slow", "fast" or milliseconds
http://jsfiddle.net/nQF4R/15/
toggle() toggle between the hide() and show() methods with the toggle() method.
$(selector).toggle(speed,callback);
Shown elements are hidden and hidden elements are shown
http://jsfiddle.net/nQF4R/20/
http://jsfiddle.net/nQF4R/23/
jQuery Fading Methods
fadeIn()
fadeOut()
fadeToggle()
fadeTo()
fadeIn()
$(selector).fadeIn(speed,callback);
fadeIn() method is used to fade in a hidden element (показать скрытый элемент)
http://jsfiddle.net/nQF4R/33/
fadeOut()
$(selector).fadeOut(speed,callback);
fadeOut() method is used to fade out a visible element (скрыть видимый элемент)
http://jsfiddle.net/nQF4R/38/
fadeToggle()
$(selector).fadeToggle(speed,callback);
fadeToggle() method toggles between the fadeIn() and fadeOut() methods
(видимые элементы скрывает, скрытые - отображает)
http://jsfiddle.net/nQF4R/45/
fadeTo()
$(selector).fadeTo(speed,opacity,easing,callback)
fadeTo() method allows fading to a given opacity (value between 0 and 1)
http://jsfiddle.net/nQF4R/46/