js_interview_questions/Toggle.html at main · Manisha1998-singh/js_interview_questions · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="style.css" />
    <title>Browser</title>
  </head>
  <style>
    .hidden {
      display: none;
    }
  </style>
  <body>
    <button id="button">Click me</button>
    <h1 id="head">Write, edit and run HTML, CSS and JavaScript code online.</h1>
    <p>
      Our HTML editor updates the webview automatically in real-time as you
      write code.
    </p>
    <script src="script.js"></script>
  </body>
  <script>
    let button = document.getElementById("button");
    let head = document.getElementById("head");
    button.addEventListener("click", function () {
      head.classList.toggle("hidden");
    });
  </script>
</html>