JavaScript-Projects/character-counter-basic/index.html at main · amit265/JavaScript-Projects · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Character Counter App</title>
  <style>
    body {
      font-family: system-ui, Arial;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
      background: #f3f4f6;
    }
    .container {
      background: white;
      padding: 25px 30px;
      border-radius: 12px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
      width: 350px;
      text-align: center;
    }
    textarea {
      width: 100%;
      height: 100px;
      font-size: 15px;
      border-radius: 8px;
      padding: 10px;
      resize: none;
      border: 1px solid #d1d5db;
    }
    p {
      margin-top: 10px;
      font-size: 14px;
    }
    .count {
      font-weight: bold;
    }
    .red {
      color: #ef4444;
    }
  </style>
</head>
<body>
  <div class="container">
    <h3>📝 Character Counter</h3>
    <textarea id="textInput" placeholder="Type your message..."></textarea>
    <p><span id="charCount" class="count">0</span> / <span id="maxCount">100</span></p>
  </div>

  <script>
    const textarea = document.getElementById("textInput");
    const charCount = document.getElementById("charCount");
    const maxCount = document.getElementById("maxCount");
    const limit = 100;

    maxCount.textContent = limit;

    textarea.addEventListener("input", () => {
      const length = textarea.value.length;
      charCount.textContent = length;

      if (length > limit) {
        charCount.classList.add("red");
        textarea.style.borderColor = "#ef4444";
      } else {
        charCount.classList.remove("red");
        textarea.style.borderColor = "#d1d5db";
      }
    });
  </script>
</body>
</html>