Swaping two elements in plain JS

swapElements.js

// Swaping two elements in plain JS

function swapElements(obj1, obj2) {
	// create marker element and insert it where obj1 is
	var temp = document.createElement("div");
	obj1.parentNode.insertBefore(temp, obj1);

	// move obj1 to right before obj2
	obj2.parentNode.insertBefore(obj1, obj2);

	// move obj2 to right before where obj1 used to be
	temp.parentNode.insertBefore(obj2, temp);

	// remove temporary marker node
	temp.parentNode.removeChild(temp);
}

// Swap it
swapElements(elm1, elm2)