JobInfo

// Cancel an ongoing geoprocessing job when the user clicks a "cancel" button.
document.getElementById("cancelButton").addEventListener("click", () => {
  jobInfo.cancelJob(jobInfo.JobId).then(() => {
    console.log("Job cancelled successfully.");
  }).catch(() => {
    console.log("Problem occured which cancelling the geoproccessing job");
  });
});

// Get the resulting map image layer from a completed geoprocessing job.
jobInfo.fetchResultMapImageLayer(jobInfo.jobId)).then(function(layer){
  view.map.add(layer);
});

// Submit an asynchronous geoprocessing job. Display the remote job status every 1.5 seconds.
// When the job has completed, the output is a MapImageLayer.
const startDate = "1998-01-01 00:00:00";
const endDate = "1998-05-31 00:00:00";
const params = {
  query: "(Date >= date '" + startDate + "' and Date <= date '" + endDate + "')"
};

const url = "https://sampleserver6.arcgisonline.com/arcgis/rest/services/911CallsHotspot/GPServer/911%20Calls%20Hotspot";

submitJob(url, params).then((jobInfo) => {
  const jobid = jobInfo.jobId;
  console.log("ArcGIS Server job ID: ", jobid);

  const options = {
    interval: 1500,
    statusCallback: (j) => {
      console.log("Job Status: ", j.jobStatus);
    }
  };

  jobInfo.waitForJobCompletion(options).then(() => {
    const layer = jobInfo.fetchResultMapImageLayer();
    map.add(layer);
  });
});