AB-interchange is a small, vanilla script to:
- lazy load images and background-images
- give responsiveness to background-images
Informations
AB-mediaQuery is initilized with:
AB.plugins.mediaQuery({
  bp: {
    smallOnly:  'screen and (max-width: 767px)',
    mediumOnly: 'screen and (min-width: 768px) and (max-width: 1024px)',
    medium:     'screen and (min-width: 768px)',
    largeOnly:  'screen and (min-width: 1025px) and (max-width: 1280px)',
    large:      'screen and (min-width: 1025px)'
  }
});
        AB-interchange is initilized with:
AB.plugins.interchange({
  lazySettings: {
    offscreen: 1.25,
    layout:    'fluid' // can be "fixed" to fixed dimensions (not fluid)
  }
});