$().slideToggle("slow/fast") //move the object
$().animate({,}) //cool animation tool function
$().stop()
$().hide(100,callback) //attribute to start after hide finish
$().slideUp().slideDown() //connect various function to one object
text(),html(),val(),attr("href") //attribute of object
$().find() //find children... ...
$("div p").first() //find first p in div
$().load() //load outer file
$.get(url,callback) //url:address callback :(data status)
$.post(url,data,callback) //data:send to server callback:same as get
$.noConflict() //jQuery to substitute $