问Javascript查询

EN

(function($) {

    $.fn.raptorize = function(options) {

        //Yo' defaults
        var defaults = {  
            enterOn: 'click', //timer, konami-code, click
            delayTime: 5000 //time before raptor attacks on timer mode
            };  

        //Extend those options
        var options = $.extend(defaults, options); 

        return this.each(function() {

            var _this = $(this);
            var audioSupported = false;
            //Stupid Browser Checking which should be in jQuery Support
            if ($.browser.mozilla && $.browser.version.substr(0, 5) >= "1.9.2" || $.browser.webkit) { 
                audioSupported = true;
            }

            //Raptor Vars
            var raptorImageMarkup = '<img id="elRaptor" style="display: none" src="raptor.png" />'
            var raptorAudioMarkup = '<audio id="elRaptorShriek" preload="auto"><source src="raptor-sound.mp3" /><source src="raptor-sound.ogg" /></audio>'; 
            var locked = false;

            //Append Raptor and Style
            $('body').append(raptorImageMarkup);
            if(audioSupported) { $('body').append(raptorAudioMarkup); }
            var raptor = $('#elRaptor').css({
                "position":"fixed",
                "bottom": "0px",
                "right" : "0",
                "display" : "block"
            })

            // Animating Code
            function init() {
                locked = true;

                //Sound Hilarity
                if(audioSupported) { 
                    function playSound() {
                        document.getElementById('elRaptorShriek').play();
                    }
                    playSound();
                }

                // Movement Hilarity    
                raptor.animate({
                    "bottom" : "0"
                }, function() {             
                    $(this).animate({
                        "bottom" : "0px"
                    }, 100, function() {
                        var offset = (($(this).position().left)+600);
                        $(this).delay(300).animate({
                            "right" : offset
                        }, 2300, function() {

                            raptor = $('#elRaptor').css({
                                "bottom": "-700px",
                                "right" : "300"
                            })
                            locked = false;
                        })
                    });
                });
            }


            //Determine Entrance
            if(options.enterOn == 'timer') {
                setTimeout(init, options.delayTime);
            } else if(options.enterOn == 'click') {
                _this.bind('click', function(e) {
                    e.preventDefault();
                    if(!locked) {
                        init();
                    }
                })
            } else if(options.enterOn == 'konami-code'){
                var kkeys = [], konami = "38,38,40,40,37,39,37,39,66,65";
                $(window).bind("keydown.raptorz", function(e){
                    kkeys.push( e.keyCode );
                    if ( kkeys.toString().indexOf( konami ) >= 0 ) {
                        init();
                        $(window).unbind('keydown.raptorz');
                    }
                }, true);

            }

        });//each call
    }//orbit plugin call
})(jQuery);