show github star, forks and more .

github-widgets.js

/**
 * Github Widgets
 * @author lsong
 * @example
 * 
 * <a href="https://github.com/song940/kelp/stargazers">
 *   <github repo="song940/kelp" key="stargazers_count" ></github> Stargazers
 * </a>
 */
;(function(elements){
  for(var i=0, seq=0;i<elements.length;i++){
    ;(function(element){
      var jsonp = 'jsonp_' + (++seq);
      var key  = element.getAttribute('key');
      var repo = element.getAttribute('repo');
      window[ jsonp ] = function(res){
        element.appendChild(document.createTextNode(res.data[ key ] || ''));
      };
      var script = document.createElement('script');
      script.src =  'https://api.github.com/repos/' + repo + '?callback=' + jsonp;
      script.async = true;
      document.head.appendChild(script);
    })(elements[i]);
  }
})(document.getElementsByTagName('github'));