yepnope use example

gistfile1.js

/*jshint forin:true, eqeqeq:true*/
jQuery.getScript('js/libs/yepnope.js', function($) {
    var scripts = {
        listaPalestras : function() {
            var listP = jQuery('#listaPalestras');
            if ( !listP.length ) {
                return;
            }
            jQuery.getJSON('js/frontinrio.json', function(data) {
                var items = [];

                if ( !data[0].events ) {
                    return;
                }

                jQuery.each(data[0].events, function(key, ev) {
                    if ( ev.room ) {
                        var item  = '<li><h3>'+ev.title+'</h3>';
                            item += '<p class="description">'+ev.description+'</p>';
                            item += '<p class="keynoteRoom">Sala: '+ev.room+'</p>';
                            item += '<p class="keynoteTime">Horário: '+ev.startdate+' até '+ev.enddate+'</p>';
                            item += '</li>';

                        items.push(item);
                    }

                });

                jQuery('<ul class="temas">'+(items.join(''))+'</ul>').appendTo(listP);
            });
        },
        twitterButton : function() {
            // Twitter
            yepnope({
                test: jQuery('.twitter-share-button').length,
                yep: 'http://platform.twitter.com/widgets.js'
            });
        },
        gmaps : function() {
            // Maps
            var myLatlng = new google.maps.LatLng(-22.952742,-43.172804);
            var myOptions = {
                zoom: 16,
                center: myLatlng,
                mapTypeId: google.maps.MapTypeId.HYBRID
            };
            var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
            map.setCenter(myLatlng);

            var marker = new google.maps.Marker({
             position: myLatlng,
             map: map,
             title: 'FrontInRio 2011'
            });

            var contentString = '<div style="height:50px"><h1><a href="http://www.frontinrio.com.br">FrontInRio 2011</a></h1>\n';
            contentString += '<p><strong>Local:</strong> Av. Pasteur 458, prédio do CCET, sala 204, no bairro da Urca, Rio de Janeiro</p></div>';

            var infowindow = new google.maps.InfoWindow({
             content: contentString,
             position: myLatlng,
             minHeight: 150

            });

            google.maps.event.addListener(marker, 'click', function() {
                infowindow.open(map,marker);
            });
        },
        twitter : function() {
            // Twitter
            yepnope({
                test: jQuery('#twitter').length,
                yep: 'http://widgets.twimg.com/j/2/widget.js', 
                callback: function() {
                    new TWTR.Widget({
                      id: 'twitter',
                      version: 2,
                      type: 'search',
                      search: 'frontinrio',
                      interval: 5000,
                      title: 'FrontInRio 2011',
                      subject: 'Twitter Feed',
                      width: 'auto',
                      height: 300,
                      theme: {
                        shell: {
                          background: '#8ec1da',
                          color: '#ffffff'
                        },
                        tweets: {
                          background: '#ffffff',
                          color: '#444444',
                          links: '#1985b5'
                        }
                      },
                      features: {
                        scrollbar: false,
                        loop: true,
                        live: true,
                        hashtags: true,
                        timestamp: true,
                        avatars: true,
                        toptweets: true,
                        behavior: 'default'
                      }
                    }).render().start();
                }
            });        
        },
        facebook : function() {
            yepnope('http://connect.facebook.net/pt_BR/all.js#xfbml=1');
        },
        userVoice : function() {
            yepnope('//widget.uservoice.com/z42GZ0nB7WH3zK6EpAAag.js');
        }
    };
    
    // execute scripts
    for ( var i in scripts ){
        if (scripts.hasOwnProperty(i)) {
            scripts[i]();
        }
    }
    
});