• 一个酷炫的,基于HTML5,Jquery和Css的全屏焦点图特效,兼容各种浏览器


     基于HTML5和CSS的焦点图特效,梅花图案的背景很有中国特色,而且还会动哦,效果超炫,推荐下载!

    演示图

    一个酷炫的,基于HTML5和Css的焦点图特效,兼容各种浏览器

    html代码

     

     1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
     2 <html xmlns="http://www.w3.org/1999/xhtml">
     3 <head>
     4 <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
     5 <meta name="keywords" content="一个酷炫的,基于HTML5和Css的焦点图特效,兼容各种浏览器" />
     6 <meta name="description" content="一个酷炫的,基于HTML5和Css的焦点图特效,兼容各种浏览器" />
     7 <title>一个酷炫的,基于HTML5和Css的焦点图特效,兼容各种浏览器</title>
     8 <link href="css/slider.css" rel="stylesheet" type="text/css" />
     9 <!--[if lt IE 9]><script src="js/html5.js"></script><![endif]-->
    10 <!--[if IE 6]> 
    11 <script type="text/javascript" src="js/DD_belatedPNG.js"></script> 
    12 <script>DD_belatedPNG.fix('*');</script> 
    13 <![endif]-->
    14 <script type='text/javascript' src='js/jquery-1.7.2.min.js'></script>
    15 <script type='text/javascript' src='js/common.js'></script>
    16 <script type='text/javascript' src='js/slider.js'></script>
    17 </head>
    18 <body>
    19 <header>
    20   <div class="header-content home">
    21     <div class="parallax-bg" id="slider-wrap">
    22       <div class="slider parallax-bg" id="slider">
    23         <div class="slider-sections sandbox">
    24           <section class="first"> <img alt="Kendo UI" src="images/home-banner-1.png"/>
    25             <div class="text">
    26               <h2>SmartSite Ver 2.2<br />
    27                 智能网站管理系统 </h2>
    28               <p class="copy">采用前后台完全分离技术,通过标签(支持标签循环嵌套、判断标签、自定义标签、文件循环嵌套等)加模板技术.全站生成纯静态页。</p>
    29               <p class="button"><a href="http://www.cnblogs.com/">Download</a> <a class="dimmed" href="http://www.cnblogs.com/">Learn More</a></p>
    30             </div>
    31           </section>
    32           <section> <img src="images/dataviz-home-image-q2.png" alt="Kendo UI" />
    33             <div class="text" style="padding-top: 10px;">
    34               <h2>企业网站管理系统</h2>
    35               <p class="copy">单页面、单页面索引、新闻、产品展示、下载、友情链接、网上商城,在线支付、配送、支付方式管理、广告等模块。</p>
    36               <p class="button"><a href="http://www.cnblogs.com/">Download</a> <a class="dimmed" href="http://www.cnblogs.com/">Learn More</a></p>
    37             </div>
    38           </section>
    39           <section> <img src="images/home_banner_web-q2.png" alt="Kendo UI" />
    40             <div class="text">
    41               <h2>智能移动网站管理系统</h2>
    42               <p class="copy">基于jquery.Mobile、HTML5技术框架,前后台完全分离,采用标签加模板技术,全站生成纯静态页。</p>
    43               <p class="button"><a href="http://www.cnblogs.com/" >Download</a> <a class="dimmed" href="http://www.cnblogs.com/">Learn More</a></p>
    44             </div>
    45           </section>
    46         </div>
    47       </div>
    48       <a class="slider-prev" href="javascript: void(0)">&lt;</a> <a class="slider-next" href="javascript: void(0)">&gt;</a> </div>
    49   </div>
    50 </header>
    51 </body>
    52 </html>
    
    

     JS代码

     
      1 /**
      2 * @author Alexander Farkas
      3 * v. 1.22
      4 */
      5 (function ($)
      6 {
      7     if (!document.defaultView || !document.defaultView.getComputedStyle)
      8     { // IE6-IE8
      9         var oldCurCSS = $.curCSS;
     10         $.curCSS = function (elem, name, force)
     11         {
     12             if (name === 'background-position')
     13             {
     14                 name = 'backgroundPosition';
     15             }
     16             if (name !== 'backgroundPosition' || !elem.currentStyle || elem.currentStyle[name])
     17             {
     18                 return oldCurCSS.apply(this, arguments);
     19             }
     20             var style = elem.style;
     21             if (!force && style && style[name])
     22             {
     23                 return style[name];
     24             }
     25             return oldCurCSS(elem, 'backgroundPositionX', force) + ' ' + oldCurCSS(elem, 'backgroundPositionY', force);
     26         };
     27     }
     28 
     29     var oldAnim = $.fn.animate;
     30     $.fn.animate = function (prop)
     31     {
     32         if ('background-position' in prop)
     33         {
     34             prop.backgroundPosition = prop['background-position'];
     35             delete prop['background-position'];
     36         }
     37         if ('backgroundPosition' in prop)
     38         {
     39             prop.backgroundPosition = '(' + prop.backgroundPosition;
     40         }
     41         return oldAnim.apply(this, arguments);
     42     };
     43 
     44     function toArray(strg)
     45     {
     46         strg = strg.replace(/left|top/g, '0px');
     47         strg = strg.replace(/right|bottom/g, '100%');
     48         strg = strg.replace(/([0-9.]+)(s|)|$)/g, "$1px$2");
     49         var res = strg.match(/(-?[0-9.]+)(px|\%|em|pt)s(-?[0-9.]+)(px|\%|em|pt)/);
     50         return [parseFloat(res[1], 10), res[2], parseFloat(res[3], 10), res[3]];
     51     }
     52 
     53     $.fx.step.backgroundPosition = function (fx)
     54     {
     55         if (!fx.bgPosReady)
     56         {
     57             var start = $.curCSS(fx.elem, 'backgroundPosition');
     58             if (!start)
     59             {//FF2 no inline-style fallback
     60                 start = '0px 0px';
     61             }
     62 
     63             start = toArray(start);
     64             fx.start = [start[0], start[2]];
     65             var end = toArray(fx.end);
     66             fx.end = [end[0], end[2]];
     67 
     68             fx.unit = [end[1], end[3]];
     69             fx.bgPosReady = true;
     70         }
     71         //return;
     72         var nowPosX = [];
     73         nowPosX[0] = ((fx.end[0] - fx.start[0]) * fx.pos) + fx.start[0] + fx.unit[0];
     74         nowPosX[1] = ((fx.end[1] - fx.start[1]) * fx.pos) + fx.start[1] + fx.unit[1];
     75         fx.elem.style.backgroundPosition = nowPosX[0] + ' ' + nowPosX[1];
     76 
     77     };
     78 })(jQuery);
     79 
     80 
     81 
     82 /*
     83 tlrkSlider
     84   
     85   example usage:
     86  
     87     $("#slider").tlrkSlider({
     88       autoStart: false,
     89       elements: {
     90         "img": {delay: 10},
     91         "h2": {delay: 500},
     92         ".copy": {delay: 800},
     93         ".button": {delay: 1000}
     94       }
     95     });
     96 
     97   to go to a specific frame:
     98     $("#slider").tlrkSlider("go", position);
     99     "position" can have one of the following values:
    100     "next", "prev", "first", "last", "+1", "-1" or a numeric value
    101   
    102   to start/stop the automatic loop:
    103     $("#slider").tlrkSlider("start");
    104     $("#slider").tlrkSlider("stop");
    105   
    106   to change the delay between automatic transitions:
    107     $("#slider").tlrkSlider("option", "delayAnimation", 1000);
    108  
    109   to change any option:
    110     $("#slider").tlrkSlider("option", option_name, option_value);
    111     
    112   Changing the "elements" object is not tested.
    113   
    114   Changing the following options: "navigation", "navigationClass", "framesSelector", "autoStart" won't have any effect for now.
    115   They are used only during the initialization.
    116   
    117   $("#slider").data("tlrkSlider") will return the plugin instance and the methods/properties can be accessed from there.
    118   
    119   The plugin contructor defaults are accessable through TlrkSlider.defaults
    120   
    121   The function that actually sweep the elements in/out can be overriden from
    122     TlrkSlider.prototype._animationIn and TlrkSlider.prototype._animationOut
    123    
    124     See sweepIn/sweepOut 
    125   
    126  */
    127 
    128 
    129 
    130 ;(function( $, window, document, undefined ){
    131   
    132   // utility function that generates the "dots" navigation
    133   function generateNavigation($el, count, config) {
    134     var i, html = "",
    135         width = count * 24;
    136     
    137     html += "<ol class='" + config.navigationClass + "' style='margin-left: -" + width/2 + "px;  " + width + "px'>";
    138     for (i = 0; i < count; i++) {
    139       html += "<li><a " + (i === 0 ? "class='selected'" : "" ) + " href='#" + (i) + "'>slide</a></li>";
    140     }
    141     html += "</ol>";
    142     
    143     $el.append(html);
    144   }
    145   
    146   function sweepOut($el, windowWidth) {
    147     var dfr = $.Deferred(),
    148         pos = $el.position(),
    149         width = $el.width(),
    150         delta, final,
    151         options = $el.data("tlrkAnimOptions");
    152     
    153     windowWidth = windowWidth || $(window).width(); // check if the windowWidth is passed, if not - get it
    154     
    155     delta = windowWidth - pos.left;
    156     final = -(delta);
    157     
    158     setTimeout(function(){
    159       $el.animate({left: final, opacity: "toggle"}, options.speed, options.easing, function(){
    160         dfr.resolve();
    161       });
    162     }, options.delay);
    163     
    164     return dfr.promise();
    165   }
    166   
    167   function sweepIn($el, windowWidth, frameLeft) {
    168     var dfr = $.Deferred(),
    169         options = $el.data("tlrkAnimOptions"),
    170         positionData = $el.data("tlrkOriginalPos"),
    171         final = positionData.position.left,
    172         rightEdge;
    173     
    174     windowWidth = windowWidth || $(window).width(); // check if the windowWidth is passed, if not - get it
    175     
    176     $el.css({opacity: 0, display: "block"}); // move it outside the right edge of the screen
    177     $el.css("left", function(current){
    178       return current + windowWidth - frameLeft;
    179     });
    180     
    181     setTimeout(function(){
    182       $el.animate({left: final, opacity: 1}, options.speed, options.easing, function(){
    183         dfr.resolve();
    184       });
    185     }, options.delay);
    186     
    187     return dfr.promise();
    188   }
    189   
    190   
    191   // two pass function that first iterates all the elements and gets their position/width/height
    192   // and then sets their position to absolute
    193   function absolutize($elements) {
    194     
    195     // todo - move it to separate function and do it just once
    196     // gather the original position/dimension data for all elements
    197     $elements.each(function(){
    198       var $t = $(this);
    199       
    200       if ($t.data("tlrkOriginalPos")) return
    201       
    202       $t.data("tlrkOriginalPos", {
    203         position: $t.position(),
    204          $t.width(),
    205         height: $t.height(),
    206         css_pos: $t.css("position"),
    207         css_left: $t.css("left"),
    208         css_top: $t.css("top"),
    209         css_ $t.css("width") || "auto",
    210         css_height: $t.css("height") || "auto"
    211       });
    212       
    213     });
    214     
    215     // set the absolute position
    216     $elements.each(function(){
    217       var $t = $(this),
    218           opos = $t.data("tlrkOriginalPos");
    219          
    220       $t.css({
    221         position: "absolute",
    222         left: opos.position.left,
    223         top: opos.position.top,
    224          opos.width,
    225         height: opos.height
    226       });
    227     });
    228   }
    229   
    230   function restoreFrameElements($elements) {
    231     $elements.each(function(){
    232       var $t = $(this),
    233           opos = $t.data("tlrkOriginalPos");
    234           
    235       if (!opos) return
    236           
    237       $t.css({
    238         position: opos.css_pos,
    239         left: opos.css_left,
    240         top: opos.css_top,
    241          opos.css_width,
    242         height: opos.css_height
    243       });
    244     });
    245     
    246   }
    247 
    248   var TlrkSlider = function( elem, options ){
    249       this.elem = elem;
    250       this.$elem = $(elem);
    251       this.options = options;
    252     };
    253 
    254   // the plugin prototype
    255   TlrkSlider.prototype = {
    256     defaults: {
    257 
    258 
    259       defaultElementOptions: {
    260         speed: 1200,
    261         easing: "easeInOutBack",
    262         // interval before the element starts moving when the fadeIn/Out functions are called
    263         // it's a good idea to give different delays for the different elements
    264         // if all have the same delay they'll start moving all together
    265         delay: 100 
    266       },
    267       
    268       // dispose elements are these that are not included in the elements object
    269       // but affect the document flow and will be fadedIn/Out
    270       disposeDelay: 100, // delay for the dispose elements
    271       disposeSpeed: 1000, // how quickly they'll fadeOut/In
    272       
    273       delayBetweenTransition: 1000, // time between starting fadeOut and fadeIn
    274       delayAnimation: 7000, // time between auto changing the current frame
    275       
    276       loop: true, // if true when clicking next on the last frame the slider jumps to the first one
    277       
    278       autoStart: true, // start the automatic looping through the frames on init
    279       
    280       framesSelector: "section", // selector for the frames inside the slider
    281       
    282       elements: {
    283         "p": {delay: 100, speed: 1000, easing: "easeInOutBack"}
    284       },
    285       
    286       navigation: true, // the dots navigation on the bottom
    287       navigationClass: "slider-nav",
    288      
    289       // callbacks
    290       // another way to "catch" these events is with
    291       // $(-slider-element-).bind("animationStart")
    292       animationStart: null,
    293       animationEnd: null
    294     },
    295 
    296     init: function() {
    297       var c, e, element, $element,
    298           that = this,
    299           $firstFrame;
    300       
    301       c = this.config = $.extend({}, this.defaults, this.options);
    302       
    303       this.elem.style.position = "relative"; // make the wrapping element relative
    304       
    305       // basics
    306       this.$frames = this.$elem.find(c.framesSelector);
    307       this.framesCount = this.$frames.length;
    308       this.currentFrame = 0;
    309       this.queue = [];
    310       
    311       this._$elementsByFrame = {};
    312       this._$disposeElementsByFrame = {};
    313       
    314       for (i = 0; i < this.framesCount; i++) {
    315         this._$elementsByFrame[i] = this._getFrameElements(i); // cache the $elements by frame
    316         this._$disposeElementsByFrame[i] = this._getDisposeFrameElements(i); // cache the rest of the tree for each frame
    317       }
    318       
    319       if (c.navigation) {
    320         generateNavigation(this.$elem, this.framesCount, c);
    321         this.$navigation = this.$elem.find("."+c.navigationClass);
    322       }
    323       
    324       // bindings
    325       this.$elem.find(".slider-nav").delegate("a", "click", function(e){
    326         var frame = this.getAttribute("href").split("#")[1];
    327         that.go.call(that, frame);
    328         return false;
    329       });
    330       
    331       this.$elem // internal bindings for the callbacks
    332         .bind("animationStart", function(){
    333           if ($.isFunction(c.animationStart)) {c.animationStart.apply(that, arguments);}
    334         })
    335         .bind("animationEnd", function(){
    336           if ($.isFunction(c.animationEnd)) {c.animationEnd.apply(that, arguments);}
    337         })
    338       ;
    339       
    340       // start animation?
    341       if (c.autoStart) {
    342         this.start();
    343       } else {
    344         this.running = false;
    345       }
    346 
    347       return this;
    348     },
    349     
    350     start: function(instant) {
    351       var that = this;
    352       
    353       if (this.timer) { // we'll clear the current timer
    354         window.clearTimeout(this.timer);
    355       }
    356       
    357       this.running = true;
    358       
    359       if (instant) {
    360         that.nextFrame();
    361       } else {
    362         this.timer = window.setTimeout(function(){ that.nextFrame.call(that) }, that.config.delayAnimation);
    363       }
    364     },
    365     
    366     stop: function() {
    367       if (!this.running) return; // we are not running
    368       
    369       this.running = false;
    370       window.clearTimeout(this.timer);
    371     },
    372 
    373     // main function for changing frames
    374     selectFrame: function(frame, dfr) {
    375       var c = this.config, // shorthand for the config
    376           that = this,
    377           dfr = dfr || $.Deferred(),
    378           dFadeIn = $.Deferred(),
    379           dFadeOut = $.Deferred();
    380           
    381       if (isNaN(frame) || frame < 0 || frame > this.framesCount || frame === this.currentFrame) {
    382         dfr.reject();
    383         return dfr.promise();
    384       }
    385 
    386       // clear the animation loop interval if the animation is running
    387       if (this.running && this.timer) { 
    388         window.clearTimeout(this.timer);
    389       }
    390 
    391       // check if we are currenly running an animation.
    392       if (this.animated && this.queue.length > 0) {
    393         // wait for the last item in the queue to finish
    394         this.queue[this.queue.length-1].done(function(){
    395           that.selectFrame(frame, dfr); // and call again the selectFrame
    396         })
    397         return dfr.promise();
    398       }
    399       
    400       this.animated = true;
    401       this.$elem.trigger("animationStart", [this, frame]);
    402       
    403       this.queue.push(dfr);
    404       
    405       // fade the frames
    406       dFadeOut = this._fadeOutFrame(this.currentFrame);
    407       
    408       // hide the fadetout frame
    409       dFadeOut.done(function(){
    410         that.$frames.eq(that.currentFrame).hide();
    411       });
    412       
    413       window.setTimeout(function(){ // then wait delayBetweenTransition and fadeIn the new frame
    414         dFadeIn = that._fadeInFrame.call(that, frame).done(function(){
    415           // when both the fadeIn and fadeOut are done we'll resolve the selectFrame promise
    416           $.when(dFadeOut, dFadeIn).done(function(){
    417             that.animated = false;
    418             that.queue.shift();
    419             that.$elem.trigger("animationEnd", [that]);
    420             that.currentFrame = frame;
    421             dfr.resolve();
    422           });
    423         });
    424       }, c.delayBetweenTransition);
    425       
    426       // navigation html change
    427       if (this.config.navigation) {
    428         this.$navigation.find(".selected").removeClass("selected").end()
    429           .find("a").eq(frame).addClass("selected");
    430       }
    431         
    432       dfr.done(function(){ // we'll resume the loop animation after the transitions are done
    433         if (that.running) {
    434           that.start();
    435         }
    436       });
    437       
    438       return dfr.promise();
    439     },
    440     
    441     _fadeFrame: function(frame, callback, direction) {
    442       var dfr = $.Deferred(),
    443           $frame = this.$frames.eq(frame),
    444           $elements = this._$elementsByFrame[frame],
    445           windowWidth = $(window).width(), // cache it before the animations, so we don't have to check it for each element 
    446           i, len,
    447           that = this,
    448           elementAnimations = [],
    449           $disposeElements = this._$disposeElementsByFrame[frame],
    450           $affectedElements,
    451           frameLeft = $frame.offset().left;
    452           
    453       direction = direction || "out";
    454           
    455       if (!$.isFunction(callback)) return; // do nothing if there's no callback passed
    456       
    457       $affectedElements = $elements.add($disposeElements);
    458       
    459       // position absolute the animation and dispose elements
    460       absolutize($affectedElements);
    461       
    462       // toggle the dispose elements
    463       if ($disposeElements.length > 0) {
    464         window.setTimeout(function(){
    465           $disposeElements[direction === "out" ? "fadeOut" : "fadeIn"](that.config.disposeSpeed);
    466         }, this.config.disposeDelay);
    467       }
    468       
    469       // invoke the callback for each element
    470       // the callback must return a promise
    471       $elements.each(function(){
    472         elementAnimations.push( callback.call(that, $(this), windowWidth, frameLeft) );
    473       });
    474       
    475       // wait for all the elements to finish their animation
    476       $.when.apply(this, elementAnimations).done(function(){
    477         //restoreFrameElements($affectedElements); // and restore the elements' position
    478         dfr.resolve(); // resolve the fade function
    479       });
    480       
    481       return dfr.promise();
    482     },
    483 
    484     _fadeOutFrame: function(frame) {
    485       var dfr = $.Deferred(),
    486           $frame = this.$frames.eq(frame),
    487           $disposeElements = this._$disposeElementsByFrame[frame];
    488       
    489       this._fadeFrame(frame, this._animationOut, "out").done(function(){
    490         dfr.resolve();
    491       })
    492       
    493       return dfr.promise();
    494     },
    495     
    496     _fadeInFrame: function(frame) {
    497       var dfr = $.Deferred(),
    498           $frame = this.$frames.eq(frame),
    499           $elements = this._$elementsByFrame[frame];
    500       
    501       this._restoreFrame(frame);
    502       
    503       $frame.show();
    504       
    505       this._fadeFrame(frame, this._animationIn, "in").done(function(){
    506         dfr.resolve();
    507       });
    508       
    509       return dfr.promise();
    510     },
    511     
    512     _restoreFrame: function(frame){
    513       if (!frame) return
    514       restoreFrameElements( this._$elementsByFrame[frame].add(this._$disposeElementsByFrame[frame]) );
    515     },
    516     
    517     nextFrame: function() {
    518       var frame = this.currentFrame+1,
    519           dfr = $.Deferred();
    520           
    521       if (frame > this.framesCount-1) {
    522         if (this.config.loop) {
    523           frame = 0;
    524         } else {
    525           dfr.reject();
    526         }
    527       };
    528       
    529       this.selectFrame(frame).done(function(){
    530         dfr.resolve();
    531       });
    532       
    533       return dfr.promise();
    534     },
    535     
    536     prevFrame: function() {
    537       var frame = this.currentFrame-1,
    538           dfr = $.Deferred();
    539           
    540       if (frame < 0) {
    541         if (this.config.loop) {
    542           frame = this.framesCount-1;
    543         } else {
    544           dfr.reject();
    545           return dfr.promise();
    546         }
    547       }
    548       
    549       this.selectFrame(frame).done(function(){
    550         dfr.resolve();
    551       });
    552       
    553       return dfr.promise();
    554     },
    555     
    556     go: function(str) { // shorthand
    557       switch (str) {
    558         case "next":
    559         case "+1":
    560           this.nextFrame();
    561           break;
    562 
    563         case "prev":
    564         case "-1":
    565           this.prevFrame();
    566           break;
    567         
    568         case "first":
    569           this.selectFrame(0);
    570           break;
    571         
    572         case "last":
    573           this.selectFrame(this.framesCount-1);
    574           break;
    575         
    576         default:
    577           if (isNaN(str)) return;
    578           this.selectFrame(Number(str));
    579       }
    580     },
    581     
    582     // returns jquery collection of animation elements
    583     _getFrameElements: function(frame) { 
    584       var $frame = this.$frames.eq(frame),
    585           elements = this.config.elements,
    586           e, elementOptions,
    587           $found, $frameElements = $([]);
    588           
    589       for (e in elements) {
    590         elementOptions = elements[e];
    591         $found = $frame.find(e);
    592         $found.addClass("t-frame-element").data("tlrkAnimOptions", $.extend({}, this.defaults.defaultElementOptions, elementOptions ));
    593         $frameElements = $frameElements.add($found);
    594       }
    595       
    596       return $frameElements;
    597     },
    598 
    599     // returns jquery collection of elements that have to be faded out
    600     // i.e. elements on the same level as the animation elements
    601     // that doesn't contain other animation elements
    602     _getDisposeFrameElements: function(frame) {
    603       var $disposeElements = $([]),
    604           $frame = this.$frames.eq(frame),
    605           $elements = this._$elementsByFrame[frame];
    606 
    607       $elements.each(function(){
    608         var $t = $(this),
    609             $siblings = $t.siblings().not(".t-frame-element");
    610         
    611         $siblings.each(function(){
    612           var $t = $(this);
    613           // check if the node is not already marked and doesn't contains other frame elements
    614           if (!$t.hasClass("t-frame-dispose") && $t.find(".t-frame-element").length === 0) {
    615             $t.addClass("t-frame-dispose");
    616             $disposeElements = $disposeElements.add($t);
    617           }
    618         });
    619         
    620       });
    621       return $disposeElements;
    622     },
    623     
    624     
    625     // expose the internal animationIn/Out functions that are called for each element in the frame
    626     // two arguments are passed - the $element which have to be animated and the window width
    627     _animationIn: sweepIn,
    628     _animationOut: sweepOut
    629     
    630   }
    631 
    632   TlrkSlider.defaults = TlrkSlider.prototype.defaults;
    633 
    634   $.fn.tlrkSlider = function(options) {
    635     var otherArgs = Array.prototype.slice.call(arguments, 1);
    636         
    637     return this.each(function() {
    638       var $el = $(this),
    639           pluginData = $el.data("tlrkSlider");
    640       
    641       if (!pluginData) { // check if the slider is already attached
    642         pluginData = new TlrkSlider(this, options).init();
    643         $el.data("tlrkSlider", pluginData);
    644         return;
    645       }
    646       
    647       //change the options or call a method
    648       if (typeof options === "string") {
    649         
    650         // setting / getting option(s)
    651         if (options === "option") {
    652           
    653           if (typeof otherArgs[0] === "string" && typeof otherArgs[1] !== "undefined") { // set an option value
    654             pluginData.config[otherArgs[0]] = otherArgs[1]; 
    655           }
    656           
    657           if (typeof otherArgs[0] === "object") { // extend the config with new options
    658             pluginData.config = $.extend(pluginData.config, otherArgs[0]);
    659           }
    660           
    661         } else { // call a method?
    662           try {
    663             pluginData[options].apply(pluginData, otherArgs);
    664           } catch(ex) {
    665             throw "Error calling a plugin method (" + ex + ")";
    666           }
    667         }
    668       }
    669     });
    670   };
    671 
    672   window.TlrkSlider = TlrkSlider;
    673 
    674 })( jQuery, window , document );
    675 
    676 $(document).ready(function(){
    677   var $backgrounds = $(".header-content").find(".parallax-bg"),
    678       LAYER_OFFSET = 30,
    679       PRLX_SPEED = 1500,
    680       $slider;
    681   
    682   $slider = $("#slider").tlrkSlider({
    683     autoStart: true,
    684     animationStart: function(ev, slider, step){
    685       var max_steps = this.framesCount; 
    686       $backgrounds.each(function(idx, el){
    687         var pos = (step * (100 / max_steps)) + (LAYER_OFFSET * idx);
    688         $(this).animate({"backgroundPosition": pos + "% 0"}, PRLX_SPEED);
    689       });
    690     },
    691     elements: {
    692       "img": {delay: 10},
    693       "h2": {delay: 500},
    694       ".copy": {delay: 800},
    695       ".button": {delay: 1000}
    696     }
    697   });
    698   
    699   $(".header-content")
    700     .hover(
    701       function(){$(this).find(".slider-prev, .slider-next").show();},
    702       function(){$(this).find(".slider-prev, .slider-next").hide();}
    703     )
    704     .find(".slider-prev").click(function(){$slider.tlrkSlider("go", "prev"); return false; }).end()
    705     .find(".slider-next").click(function(){$slider.tlrkSlider("go", "next"); return false; });
    706 
    707 });
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  • 原文地址:https://www.cnblogs.com/manongxiaobing/p/4355597.html
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