examples/svg-boundings.js
function expandYBounds(bounds, value) {
  if (bounds[MIN_Y] > value) bounds[MIN_Y] = value;else if (bounds[MAX_Y] < value) bounds[MAX_Y] = value;
}
function expandYBounds(bounds, value) {
  if (bounds[MIN_Y] > value) bounds[MIN_Y] = value;else if (bounds[MAX_Y] < value) bounds[MAX_Y] = value;
}
function expandYBounds ( bounds , value ) { if ( bounds [ MIN_Y ] > value ) bounds [ MIN_Y ] = value ; else if ( bounds [ MAX_Y ] < value ) bounds [ MAX_Y ] = value ; }
expand the y-bounds, if the value lies outside the bounding box
expand the y - bounds if the value lies outside the bounding box