Updated it to talk about negative tolerance, defaults and what actually happens when tolerance is 0 or unspecified
Updated it to talk about negative tolerance, defaults and what actually happens when tolerance is 0 or unspecified

zeusdeux/isInViewport,graphis/isInViewport,npafundi/isInViewport,graphis/isInViewport,zeusdeux/isInViewport,twinraven/isInViewport,twinraven/isInViewport,npafundi/isInViewport