Async and await in js

app.js

// Async and Await are extensions of promises
// Await work under async method


function findAsset (page) {
    let url = path.join(__dirname,'public',page);
  
    return new Promise((resolve, reject) => {
      fs.readFile(url,'utf-8',(err,data) => {
           if(err) reject(err)
           else resolve(data)
      });
    });
 }

async function loadAsset(){
  let pageDetails = await findAsset('pagename.js');
}