var mu = require('mutate-dom');
var mutator = require('mutate-dom').mutator;

mu.addClass = mutator(function(el, newClass) {
  $(el).addClass(newClass);
});

mu.src = mutator(function(el, src) {
  $(el).attr('src', src);
});

mu({
  '.user': {
    '.name': 'Bill',
    '.hobbies': mu.slice(0, 1, 'football'),
    '.ava-container': [{
        img: mu.src('http://api.randomuser.me/portraits/thumb/men/59.jpg')
      },
      mu.addClass('awesome-ava-container')
    ]
  }
});