function supportsPreload (list) {
  if (!list || !list.supports) {
    return false
  }
  try {
    return list.supports('preload')
  } catch (e) {
    return false
  }
}
function supportsPreload (list) {
  if (!list || !list.supports) {
    return false
  }
  try {
    return list.supports('preload')
  } catch (e) {
    return false
  }
}
function supportsPreload ( list ) { if ( ! list || ! list . supports ) { return false } try { return list . supports ( 'preload' ) } catch ( e ) { return false } }
smaller version of https://gist.github.com/igrigorik/a02f2359f3bc50ca7a9c
smaller version of https : // gist . github . com / igrigorik / a02f2359f3bc50ca7a9c