<ul>
  <li>The</li>
  <li>test</li>
</ul>
<ul>
  <li>has</li>
  <li>passed</li>
</ul>
	

			
	
			

		
	

	let elements = document.querySelectorAll('ul > li:last-child');

for (let elem of elements) {
    alert(elem.innerHTML); // "test", "passed"
}
	

			
	
			

		
	

	let items = document.querySelectorAll("li");
for (let i = 0; i < items.length; i++) {
  items[i].addEventListener("mouseout", function () {
    let tagElement = items[i].previousElementSibling;
    tagElement.classList.remove("clsone");
  });
  items[i].addEventListener("mouseover", function () {
    let tagElement = items[i].previousElementSibling;
    tagElement.classList.add("clstwo");
  });
}