function (data) {
  var inverse = [
    ['In', 'Out'],
    ['X', 'Y'],
    ['Down', 'Up'],
    ['Left', 'Right']
  ]
  var i = 0
  var size = inverse.length
  var result
  for (i; i < size; i++) {
    var index = inverse[i]
    if (index.indexOf(data) >= 0) {
      var colm = index.indexOf(data)
      result = colm === 0 ? index[1] : index[0]
    }
  }
  return result
}
function (data) {
  var inverse = [
    ['In', 'Out'],
    ['X', 'Y'],
    ['Down', 'Up'],
    ['Left', 'Right']
  ]
  var i = 0
  var size = inverse.length
  var result
  for (i; i < size; i++) {
    var index = inverse[i]
    if (index.indexOf(data) >= 0) {
      var colm = index.indexOf(data)
      result = colm === 0 ? index[1] : index[0]
    }
  }
  return result
}
function ( data ) { var inverse = [ [ 'In' , 'Out' ] , [ 'X' , 'Y' ] , [ 'Down' , 'Up' ] , [ 'Left' , 'Right' ] ] var i = 0 var size = inverse . length var result for ( i ; i < size ; i ++ ) { var index = inverse [ i ] if ( index . indexOf ( data ) >= 0 ) { var colm = index . indexOf ( data ) result = colm === 0 ? index [ 1 ] : index [ 0 ] } } return result }
(data → string)
- generate inverse direction
( data → string ) - generate inverse direction