Why doesn't jQuery ajax work when sourcing the URL from a variable but works with a hard-coded URL?

During my experimentation with setting and getting the URL for a jQuery Ajax (post) call, I realized the value of dynamically setting the destination URL for the request. Here's how I attempted to achieve this:

To set the URL to 'store.php' within a div element with the id of 'store':

<div id='store'>store.php</div>

Subsequently, I aimed to utilize this URL in the jQuery Ajax call by retrieving the value from the aforementioned 'store' div:

var store = $('#store').text(); // the URL path to store.php
$.ajax({
  method: "post",
  data: "html",
  //url: "store.php", // SUCCESS - status: success, triggering an alert of 'content saved', indicating message received from store.php
  url: store, // FAILURE - status: success, triggering an alert of 'an error occurred', without receiving a response from store.php
  data: {
    content: content,
    slug: slug,
    articleId: articleId
  },

  success: function(data, status) {
    if (data == "content saved") {
      alert('Your content has been saved');
    } else {
      alert('An error occurred...');
    }
    document.getElementById('status').innerHTML = 'STATUS: ' + status;
    document.getElementById('success').innerHTML = 'RESPONSE FROM SERVER: ' + data;
  },

  error: function(xhrobj, status) {
    document.getElementById('error').innerHTML = 'ERROR Handler: ' + status;
  }
})

Using the hard-coded URL 'store.php' proved successful as it returned a message, while utilizing the URL from the 'store' div did not yield the same result.

In conclusion, I see the benefit of dynamically retrieving the URL from a div (or hidden form field), akin to the approach demonstrated here, as it offers flexibility when switching target PHP files.

I would appreciate any insights or thoughts on this matter. Thank you in advance!

Answer №1

.val(); does not fetch the text content of an element - it actually returns the value of the element. (applicable to elements like inputs and textareas, but not for general divs)

To get the text content of the element instead:

var message = $('#message').text();

or, alternatively, without using jQuery:

var message = document.querySelector('#message').textContent;

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