Cloudflare Workers Dual Parameter

Cloudflare Workers Dual Parameter

addEventListener('fetch', event => {
    event.respondWith(fetchAndApply(event.request))
})
async function fetchAndApply(request) {
    const init = {
      method: 'GET'
    }
    const  { searchParams } = new URL(request.url);
    let param1 = searchParams.get('param1');
    let param2 = searchParams.get('param2');
    const [output] = await Promise.all([
      fetch('https://SITE-URL/app.php?param1=' + param1 + '&param2=' + param2 , init)
    ])
    const btsc = await output.json()
    const responseInit = {
      headers: {
          'Content-Type': 'application/json;charset=UTF-8',
          'Access-Control-Allow-Origin': '*',
          'Access-Control-Allow-Methods': 'GET',
          'Access-Control-Allow-Headers': 'Access-Control-Allow-Headers,Content-Type,Access-Control-Allow-Methods, Authorization, X-Requested-With',
          'x-content-type-options': 'nosniff',
          'x-xss-protection': '1; mode=block',
          'x-frame-options': 'DENY'
        }
    }
    return new Response(JSON.stringify(btsc), responseInit)
}