# Understanding Grids Grids look cool because the lowest point that the represent, `0`, is represented by ` `, a space. Enter characters like `$` and `a` to see how single characters are translated to indexes by the Wax UTFGrid system.=var gi = new wax.GridInstance(); $('#char').keyup(function() { $('#result').text( gi.resolveCode( $(this).val().charCodeAt(0) ) || 0 ); });