window provides three methods:
scroll(x,y) ; scrollTo(x,y); scrollBy(x,y);
scroll (x, y), scrollTo (x, y) is calculated according to the normal coordinate
scrollBy (x, y) accumulated in the current coordinate position.
window provides three methods:
scroll(x,y) ; scrollTo(x,y); scrollBy(x,y);
scroll (x, y), scrollTo (x, y) is calculated according to the normal coordinate
scrollBy (x, y) accumulated in the current coordinate position.