Loopcode/12html.html at main · Dharmandra-singh/Loopcode · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-D0ENCWPZL9"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-D0ENCWPZL9');
</script>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>12. HTML APIs Introduction</title>
  <style>
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      font-family: 'Segoe UI', sans-serif;
      background: #1cc9be;
      padding: 30px;
    }
    .container {
      background: rgba(255,255,255,0.3);
      padding: 25px;
      border-radius: 15px;
      max-width: 1000px;
      margin: auto;
      box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    }
    h2, h3 {
      color: #180;
      margin-bottom: 15px;
    }
    p {
      font-size: 17px;
      margin-bottom: 12px;
      line-height: 1.5;
    }
    ul {
      margin: 10px 0 20px 20px;
    }
    textarea, iframe {
      width: 100%;
      height: 200px;
      font-size: 16px;
      padding: 10px;
      margin: 10px 0 20px;
      border-radius: 10px;
      border: 2px solid white;
      background: rgba(255,248,240,0.4);
      font-family: monospace;
    }
    button {
      background: #007bff;
      color: white;
      border: none;
      padding: 10px 20px;
      font-size: 15px;
      font-weight: 500;
      border-radius: 8px;
      cursor: pointer;
      margin-bottom: 25px;
      transition: all 0.3s ease-in-out;
    }
    button:hover {
      box-shadow: 0 5px 12px rgba(0,0,0,0.2);
      transform: translateY(-2px);
    }
  </style>
</head>
<body>
  <div class="container">
    <h2>12. HTML APIs Introduction</h2>

    <!-- Geolocation API -->
    <h3>I. Geolocation API</h3>
    <p>Geolocation API se hum user ka location (latitude & longitude) browser se access kar sakte hain.</p>

    <textarea id="code1">
<button onclick="getLocation()">Get My Location</button>
<p id="geo"></p>

<script>
  function getLocation() {
    if (navigator.geolocation) {
      navigator.geolocation.getCurrentPosition(showPosition);
    } else {
      document.getElementById("geo").innerText = "Geolocation not supported.";
    }
  }
  function showPosition(position) {
    document.getElementById("geo").innerText =
      "Latitude: " + position.coords.latitude +
      ", Longitude: " + position.coords.longitude;
  }
</script>
    </textarea>
    <button onclick="runCode('code1', 'output1')">Run Code</button>
    <iframe id="output1"></iframe>

    <!-- Drag and Drop API -->
    <h3>II. Drag and Drop</h3>
    <p>Drag and Drop API se hum kisi element ko mouse se uthakar dusri jagah le ja sakte hain.</p>

    <textarea id="code2">
<div id="drag1" draggable="true" ondragstart="drag(event)"
     style="width:100px;height:100px;background:#f90;border-radius:8px;text-align:center;line-height:100px;">
  Drag me
</div>

<div id="dropzone" ondrop="drop(event)" ondragover="allowDrop(event)"
     style="width:200px;height:100px;border:2px dashed #007bff;margin-top:20px;text-align:center;line-height:100px;">
  Drop here
</div>

<script>
  function allowDrop(ev) {
    ev.preventDefault();
  }
  function drag(ev) {
    ev.dataTransfer.setData("text", ev.target.id);
  }
  function drop(ev) {
    ev.preventDefault();
    var data = ev.dataTransfer.getData("text");
    ev.target.appendChild(document.getElementById(data));
  }
</script>
    </textarea>
    <button onclick="runCode('code2', 'output2')">Run Code</button>
    <iframe id="output2"></iframe>

    <!-- Web Storage -->
    <h3>III. Web Storage (localStorage)</h3>
    <p>Web Storage API se hum browser mein data store kar sakte hain without server interaction. <code>localStorage</code> data ko save rakhta hai browser close hone ke baad bhi.</p>

    <textarea id="code3">
<input type="text" id="nameInput" placeholder="Enter your name">
<button onclick="saveName()">Save</button>
<p id="savedName"></p>

<script>
  function saveName() {
    const name = document.getElementById("nameInput").value;
    localStorage.setItem("userName", name);
    showName();
  }

  function showName() {
    const name = localStorage.getItem("userName");
    if (name) {
      document.getElementById("savedName").innerText = "Saved Name: " + name;
    }
  }

  showName();
</script>
    </textarea>
    <button onclick="runCode('code3', 'output3')">Run Code</button>
    <iframe id="output3"></iframe>
  </div>

  <script>
    function runCode(textareaId, iframeId) {
      const code = document.getElementById(textareaId).value;
      const iframe = document.getElementById(iframeId);
      const doc = iframe.contentDocument || iframe.contentWindow.document;
      doc.open();
      doc.write(code);
      doc.close();
    }
  </script>
</body>
</html>