Amit Padhiyar - Saatody

scrollHeight scrollHeight is a measurement of the height of an element's content including content not visible on the screen due to overflow. offsetHeight offsetHeight is a measurement which includes the element borders, the element vertical padding, the element horizontal scrollbar (if present, if rendered) and the element CSS height. clientHeight It returns the inner height of an element in pixels, including padding but not the horizontal scrollbar height, border, or margin. For more information see answer of StackOverflow  and for Box model checkout mozilla  answer.