promise wait for function to finish js code example

Example 1: wait for promise javascript

const userCount = await getUserCount();

console.log(userCount); // 12345

Example 2: how to wait for a function to finish in javascript

function doFirst() {
  return new Promise(function(resolve, reject) {
    //do a thing
      if (){
          return reject(value);
  	  }
      resolve(value);
    });
  });
}

async function doSecond() {
    var outputValue = await doFirst();
    console.log(outputValue);
}