HTML

<body>
  <h3>Crash Checking</h3>
  <label>Hash:</label>
  <input type="text" id="hashInput" placeholder="Hash"/>
  <br>
  <label>Crash to check:</label>
  <input type="text" id="crashInput" placeholder="1000"/>
  <br>
  <label>Games to check:</label>
  <input type="text" id="gamesInput" placeholder="10000"/>
  <br>
  <p id="status">Waiting for check...</p>
  <br>
  <button onclick="requestCheck()">Check</button>
</body>