use promise in ajax request code example

Example 1: javascript promise with ajax

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

Example 2: 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)
    },
  })
}