Feed Thumblr

feedThumblr.js

$(document).ready(function() {
    $.ajax({
        url: 'url json aqui',
        dataType: 'jsonp',
        data: 'chave_api',
        beforeSend: function() {
            console.log("FOI");
        },
        success: function(json) {
            posts = json.posts;
        }
    });
    var pagina = 0;
    var thisIsALabel = 'photo-url-500';

    $(window).scroll(function(){
        console.log(pagina);
        console.log(posts.length);
        if ($(window).scrollTop() == $(document).height() - $(window).height()) {
            var curPagina = pagina;
            console.log(curPagina);
            for (var i = pagina; i < pagina + 3; i++) {
                if (curPagina < posts.length) {
                    console.log(posts[i][thisIsALabel]);
                    $("<img>").fadeIn("slow")
                              .attr('src', posts[i][thisIsALabel])
                              .prependTo("#wrapper");
                    console.log(posts.length);
                    console.log(pagina);
                    curPagina += 1;
                }
            }
            pagina += 3;
            if(pagina > posts.length){
                alert('chegou!')
            }
        }
    });

});