Identical jQuery offset() Method

readme.md

#Example#

var element = document.getElementsByClassName("Your-Class-Here");
    element = ( ! element[0] ) ? element : element[0];

console.log( getOffset( element ) );

function.js

function getOffset( element ){
	var rect = element.getBoundingClientRect();

	return {
		top: rect.top + window.pageYOffset,
		left: rect.left + window.pageXOffset,
	};
}