text: var Modernizr = require('./Modernizr.js');
  var docElement = require('./docElement.js');
  var isSVG = require('./isSVG.js');
    /**
     * setClasses takes an array of class names and adds them to the root element
     *
     * @access private
     * @function setClasses
     * @param {string[]} classes - Array of class names
     */
  
    // Pass in an and array of class names, e.g.:
    //  ['no-webp', 'borderradius', ...]
    function setClasses(classes) {
      var className = docElement.className;
      var classPrefix = Modernizr._config.classPrefix || '';
  
      if (isSVG) {
        className = className.baseVal;
      }
  
      // Change `no-js` to `js` (independently of the `enableClasses` option)
      // Handle classPrefix on this too
      if (Modernizr._config.enableJSClass) {
        var reJS = new RegExp('(^|\\s)' + classPrefix + 'no-js(\\s|$)');
        className = className.replace(reJS, '$1' + classPrefix + 'js$2');
      }
  
      if (Modernizr._config.enableClasses) {
        // Add the new classes
        className += ' ' + classPrefix + classes.join(' ' + classPrefix);
        if (isSVG) {
          docElement.className.baseVal = className;
        } else {
          docElement.className = className;
        }
      }
  
    }
  
    module.exports = setClasses;
  
  