01219245/javascript1/tutorial3/2

Your current JavaScript program in the script block probably look like this:

var numSticks = 21;

function pickSticks() {
    var num = $( "#pickNum" ).val();
    numSticks += num;
    $( "#numSticks" ).text( numSticks );
}

$(function(){
    $("#pickButton").click(pickSticks);
});