humane.js unnecessary let

gistfile1.js

/**********************************************************************
  Current Version: unnecessary scope
**********************************************************************/
    eventOn('load',function(){
        transitionSupported = (function(style){ //Surplus
            var prefixes = ['MozT','WebkitT','OT','msT','KhtmlT','t'];
            for(var i = 0, prefix; prefix = prefixes[i]; i++){
                if(prefix+'ransition' in style) return true;
            }
            return false;
        }(doc.body.style));

        humane.setup();
    });

/**********************************************************************
   Fixed  
**********************************************************************/

    eventOn('load',function(){
        /*transitionSupported = false; //Optional */
        var prefixes = ['MozT','WebkitT','OT','msT','KhtmlT','t'];
        var style = doc.body.style; 
        for(var i = 0, prefix; prefix = prefixes[i]; i++){
          if(prefix+'ransition' in style) {
             transitionSupported = true;
             break;
          }
        }
        humane.setup();
    });