computeHorizontalScrollbarHeight(documentObj: Document, shouldCacheResult?: boolean): number
Computes the height of browser-rendered horizontal scrollbars using a self-created test element.
May return 0 (e.g. on OS X browsers under default configuration).
Computes the height of browser-rendered horizontal scrollbars using a self-created test element. May return 0 (e.g. on OS X browsers under default configuration).