jquery button interaction=DOM manipulation(it makes change to the DOM's representation of the page in the browser.

gistfile1.txt

$(document).ready(function(){
$("#move_up").click(function(){
    $("#change_me").animate({top:100}, 1000);
    });
    $("#move_down").click(function(){
        $("#change_me").animate({top:400},1000)
    });
    $("#change_color").click(function(){
        $("#change_me").css("background-color","purple");
    });
    $("#disappear").click(function(){
        $("#change_me").toggle("show");
    });
});