ajax promise javascript code example

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: javascript promise with ajax

doTheThing()
  .then((data) => {
    console.log(data)
    doSomethingElse()
  })
  .catch((error) => {
    console.log(error)
  })

Example 3: javascript promise with ajax

function doTheThing() {
  $.ajax({
    url: window.location.href,
    type: 'POST',
    data: {
      key: 'value',
    },
    success: function (data) {
      console.log(data)
    },
    error: function (error) {
      console.log(error)
    },
  })
}

Example 4: javascript promise with ajax

doTheThing()
doSomethingElse()

Example 5: 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);
  });