Untitled

Only execute something if multiple things have been fully executed
$('#content-1').fadeIn(function() {
   $("menue").slideUp();
});

$('#content-1').fadeIn();
$('#content-2').fadeOut();
function() {
    $("menue").slideUp();
}

$('#go').click(function () {
    $('#content-1').fadeIn(1000);
    $('#content-2').fadeOut(5000);
    $('#content-1, #content-2').promise().done(function(){
        $("#menu").slideUp();
    })
});

$('#content-1').fadeIn(500, function() {
    $('#content-2').fadeOut(500, function() {
        $("menue").slideUp();
    });
});

var content1_complete = false;
var content2_complete = false;
var callback = function() {
    $("menue").slideUp();
}
$('#content-1').fadeIn(500, function() {
    content1_complete = true;
    if (content1_complete && content2_complete) {
        callback();
    }
}
$('#content-2').fadeIn(500, function() {
    content2_complete = true;
    if (content1_complete && content2_complete) {
        callback();
    }
}

$('#content-1').fadeIn(400);
$('#content-2').fadeOut(400, function() {
   $("menue").slideUp();
});

$('#content-1').fadeIn();
$('#content-2').fadeOut(function() {
   $("menue").slideUp();
});

var myanimationstate=0;
$('#content-1').fadeIn(function(){
    if(myanimationstate){
        myslideup();
        myanimationstate=0;
    }else{
        myanimationstate++;
    }
);
$('#content-2').fadeOut(function(){
    if(myanimationstate){
        myslideup();
        myanimationstate=0;
    }else{
        myanimationstate++;
    }
);
function myslideup() {
    $("menue").slideUp();
}