If looking simple way to scroll a page to specific part of page i.e. specific DOM element, here is the simple way.
Support you have a DOM element like:
<span id="scrollHere"></span>
With window load or specific click on button/link, use following javascript statement:
Syntex:
window.document.hash = "#<d_of_dom_element>";
Example:
window.document.hash = "#scrollHere"