function firstWord(parent, index) {
  var siblings = parent.children

  while (index--) {
    if (is('WordNode', siblings[index])) {
      return false
    }
  }

  return true
}
function firstWord(parent, index) {
  var siblings = parent.children

  while (index--) {
    if (is('WordNode', siblings[index])) {
      return false
    }
  }

  return true
}
function firstWord ( parent , index ) { var siblings = parent . children while ( index -- ) { if ( is ( 'WordNode' , siblings [ index ] ) ) { return false } } return true }
Check if there’s no word before `index`.
Check if there’s no word before index .