Solution

import "./styles.css";

const stars = document.querySelectorAll(".star");
let selectedValue = 0;

function handleStarClick(event) {
  selectedValue = event.target.getAttribute("data-value");

  // Remove "active" class from all stars
  stars.forEach((star) => {
    star.classList.remove("active");
  });

  // Add "active" class to selected stars and all previous stars
  for (let i = 0; i < selectedValue; i++) {
    stars[i].classList.add("active");
  }
}

function handleStarHover(event) {
  const hoveredValue = event.target.getAttribute("data-value");

  // Add "active" class to hovered stars and all previous stars
  for (let i = 0; i < hoveredValue; i++) {
    stars[i].classList.add("active");
  }

  // Remove "active" class from all stars after the hovered stars
  for (let i = hoveredValue; i < stars.length; i++) {
    stars[i].classList.remove("active");
  }
}

function handleMouseLeave() {
  // Remove "active" class from all stars after the last selected star
  for (let i = selectedValue; i < stars.length; i++) {
    stars[i].classList.remove("active");
  }

  // Add "active" class to selected stars and all previous stars
  for (let i = 0; i < selectedValue; i++) {
    stars[i].classList.add("active");
  }
}

// Add click and mouseenter event listeners to each star
stars.forEach((star) => {
  star.addEventListener("click", handleStarClick);
  star.addEventListener("mouseenter", handleStarHover);
  star.addEventListener("mouseleave", handleMouseLeave);
});