DOM/innerHTML.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>innerHTML</title>
    <style>
      body {
        display: grid;
        place-items: center;
      }
      button {
        padding: 5px 10px;
        font-size: 18px;
      }
    </style>
  </head>
  <body>
    <p class="title">Quote of The Day</p>
    <!-- <p class="para"></p> -->
    <h1 id="quote">Best Anime Quote</h1>
    <p class="author"></p>
    <button onclick="btnClick()">Click</button>

    <script>
      const quote = document.getElementById("quote");
      //   const para = document.getElementsByClassName("para");
      const author = document.querySelector(".author");

      const btnClick = () => {
        quote.innerHTML = "This World Shall Know Pain";
        quote.style.color = "red";
        author.innerHTML = "Shinra Tensei";
        const info = document.querySelector(".title").innerHTML;
        setTimeout(() => {
          alert(`${info} By Nagato`);
        }, 1000);
      };
    </script>
  </body>
</html>