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

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<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>Open modal on button click</title>
  </head>
  <body>
    <style>
      .hidden {
        display: none;
      }

      #overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1;
      }

      .box {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        padding: 30px;
        background: antiquewhite;
        border-radius: 5px;
        z-index: 2;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
      }
    </style>
    <button id="clickbtn">Open Modal</button>

    <div id="overlay" class="hidden"></div>

    <div id="one" class="box hidden">
      DIV ONE CONTENT
      <button id="closebtn">Close</button>
    </div>

    <script>
      const openBtn = document.getElementById("clickbtn");
      const closeBtn = document.getElementById("closebtn");
      const modal = document.getElementById("one");
      const overlay = document.getElementById("overlay");

      openBtn.addEventListener("click", () => {
        modal.classList.remove("hidden");
        overlay.classList.remove("hidden");
      });

      closeBtn.addEventListener("click", () => {
        modal.classList.add("hidden");
        overlay.classList.add("hidden");
      });
    </script>
  </body>
</html>