jquery ajax promise examples

Example 1: javascript promise with ajax

function doTheThing() {
  return new Promise((resolve, reject) => {
    $.ajax({
      url: window.location.href,
      type: 'POST',
      data: {
        key: 'value',
      },
      success: function (data) {
        resolve(data)
      },
      error: function (error) {
        reject(error)
      },
    })
  })
}

Example 2: jquery ajax promise

$.ajax({
    url: "/someurl",
    method: "GET",
    data: { 
      a: "a"
  })
  .done(function(data) {
    console.log('success callback 1', data) 
  })
  .done(function(data) {
    console.log('success callback 2', data) 
  })
  .fail(function(xhr) {
    console.log('error callback 1', xhr);
  })
  .fail(function(xhr) {
    console.log('error callback 2', xhr);
  });