基于jQuery点击加载动画按钮特效

<div class="container">       <div class="row">           <div class="col-md-6 col-md-offset-3 text-center">               <p>                   <button class="btn btn-PRimary ladda-button" data-style="expand-left"><span class="ladda-label">expand-left</span></button>                   <button class="btn btn-primary ladda-button" data-style="expand-right"><span class="ladda-label">expand-right</span></button>                   <button class="btn btn-primary ladda-button" data-style="expand-up"><span class="ladda-label">expand-up</span></button>                   <button class="btn btn-primary ladda-button" data-style="expand-down"><span class="ladda-label">expand-down</span></button>               </p>           </div>       </div>       <div class="row">           <div class="col-md-6 col-md-offset-3 text-center">               <p>                   <button class="btn btn-info ladda-button" data-style="zoom-in"><span class="ladda-label">zoom-in</span></button>                   <button class="btn btn-info ladda-button" data-style="zoom-out"><span class="ladda-label">zoom-out</span></button>               </p>           </div>       </div>       <div class="row">           <div class="col-md-6 col-md-offset-3 text-center">               <p>                   <button class="btn btn-warning ladda-button" data-style="slide-left"><span class="ladda-label">slide-left</span></button>                   <button class="btn btn-warning ladda-button" data-style="slide-right"><span class="ladda-label">slide-right</span></button>                   <button class="btn btn-warning ladda-button" data-style="slide-up"><span class="ladda-label">slide-up</span></button>                   <button class="btn btn-warning ladda-button" data-style="slide-down"><span class="ladda-label">slide-down</span></button>               </p>               <p><button class="btn btn-warning ladda-button" data-style="contract"><span class="ladda-label">contract</span></button></p>           </div>       </div>       <div class="row">           <div class="col-md-6 col-md-offset-3 text-center progress-demo">               <p>Built-in progress bar</p>               <p>                   <button class="btn btn-danger ladda-button" data-style="expand-right"><span class="ladda-label">expand-right</span></button>                   <button class="btn btn-danger ladda-button" data-style="expand-left"><span class="ladda-label">expand-left</span></button>                    <button class="btn btn-danger ladda-button" data-style="contract"><span class="ladda-label">contract</span></button>               </p>           </div>       </div>       <div class="row">           <div class="col-md-6 col-md-offset-3 text-center">               <p>Sizes</p>               <p>                   <button class="btn btn-primary btn-xs ladda-button" data-style="expand-right" data-size="xs"><span class="ladda-label">extra small</span></button>                   <button class="btn btn-primary btn-sm ladda-button" data-style="expand-right" data-size="s"><span class="ladda-label">small</span></button>                    <button class="btn btn-primary btn-lg ladda-button" data-style="expand-right" data-size="l"><span class="ladda-label">large</span></button>               </p>           </div>       </div>   </div>

// Bind normal buttons      Ladda.bind('div:not(.progress-demo) button', { timeout: 2000 });       // Bind progress buttons and simulate loading progress      Ladda.bind('.progress-demo button', {          callback: function (instance) {              var progress = 0;              var interval = setInterval(function () {                  progress = Math.min(progress + Math.random() * 0.1, 1);                  instance.setProgress(progress);                   if (progress === 1) {                      instance.stop();                      clearInterval(interval);                  }              }, 200);          }      });