function(e) {
      e = e.length ? e[0] : e;
      var tr = window
        .getComputedStyle(e, null)
        .getPropertyValue(transformProperty);
      return tr;
    }
function(e) {
      e = e.length ? e[0] : e;
      var tr = window
        .getComputedStyle(e, null)
        .getPropertyValue(transformProperty);
      return tr;
    }
function ( e ) { e = e . length ? e [ 0 ] : e ; var tr = window . getComputedStyle ( e , null ) . getPropertyValue ( transformProperty ) ; return tr ; }
return current element transform matrix in a cross-browser way
return current element transform matrix in a cross - browser way