How to find all Siblings of the currently selected DOM object

Question

What is the perfect way to find all nextSiblings and previousSiblings in JavaScript. I tried few ways but not getting accurate solution. If any element is selected, I need t

Answer 1

back to 2017:
Maybe there is a better answer but that good and a little bit cleaner

function sibiling(dom, query) {
   var doms = dom.parentElement.querySelectorAll(query);
   return [].slice.call(doms).filter( d => d != dom);
}