dist/melonjs.js
function getTileId(x, y) {
         var tile = this.getTile(x, y);
         return tile ? tile.tileId : null;
       }
function getTileId(x, y) {
         var tile = this.getTile(x, y);
         return tile ? tile.tileId : null;
       }
function getTileId ( x , y ) { var tile = this . getTile ( x , y ) ; return tile ? tile . tileId : null ; }
Return the TileId of the Tile at the specified position
@name getTileId
@memberOf me.TMXLayer
@public
@function
@param {Number} x X coordinate (in world/pixels coordinates)
@param {Number} y Y coordinate (in world/pixels coordinates)
@return {Number} TileId or null if there is no Tile at the given position
Return the TileId of the Tile at the specified position