ker/mod/tfw.pointer-events.js
function getCurrentTarget( slot ) {
  if( !G.target ) return null;
  for( var i = 0 ; i < G.target.length ; i++ ) {
    var target = G.target[i];
    if( !slot || typeof target.slots[slot] === 'function' ) return target;
  }
  return null;
}
function getCurrentTarget( slot ) {
  if( !G.target ) return null;
  for( var i = 0 ; i < G.target.length ; i++ ) {
    var target = G.target[i];
    if( !slot || typeof target.slots[slot] === 'function' ) return target;
  }
  return null;
}
function getCurrentTarget ( slot ) { if ( ! G . target ) return null ; for ( var i = 0 ; i < G . target . length ; i ++ ) { var target = G . target [ i ] ; if ( ! slot || typeof target . slots [ slot ] === 'function' ) return target ; } return null ; }
Return the first taget listening on this `slot`.
Return the first taget listening on this slot .