📜  标签动画 css - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:03:08.553000             🧑  作者: Mango

代码示例1
const inputs = document.querySelectorAll("input");

inputs.forEach((input) => {
  input.addEventListener("focusin", (e) => {
    e.target.previousElementSibling.classList.add("active");
  });

  input.addEventListener("focusout", (e) => {
    e.target.previousElementSibling.classList.remove("active");
  });
});