function getUrlParams() {
  const urlParams = new URLSearchParams(window.location.search);
  return {
    name: urlParams.get('name'),
    value: urlParams.get('value'),
    url: urlParams.get('url')
  };
}

document.addEventListener('DOMContentLoaded', function() {
  const params = getUrlParams();

  if (params.name && params.value) {
    const header_info = `Name: ${params.name}\nValue: ${params.value}`;
    document.getElementById('header_info').textContent = header_info;
  }

  if (params.url) {
    document.getElementById('url').textContent = params.url;
  }
});