How to pass Select value from Javascript to PHP to generate select option on change

Related Posts:

1. WordPress Ajax always returns a 404 error
2. Ajax template: how to handle head section
3. Audio Player not loading when the content is loaded through Ajax, MediaElement.js no applied
4. Data fetch and delete by ajax request
5. Handling an Ajax form submit
6. Custom WordPress+PHP+MYSQL+AJAX form, submit event not captured by Javascript, but does POST data to the DB
7. Click loads template via ajax
8. Display notification only once
9. Access/update database with jQuery
10. How to display something in a div when the user clicks on a text in another div – no page refresh [closed]
11. admin-ajax.php responding with 0
12. How to speed up admin-ajax.php in wordpress
13. Page Reloads Before AJAX Request Finishes
14. Colorbox ajax loading of outside HTML content works perfect on localhost but not on server
15. How to make custom total price reactive in navigation
16. Sending jsPDF documents to the server
17. How to prevent those PHP variables from being cached on WordPress?
18. Ajax return code 400
19. Trying to implement Ajax comments in WordPress, getting WP error
20. How to test nonce with AJAX – Plugin development
21. class click counter save number
22. AJAX request status 200 but no actual “response”
23. Ajax not working es expected (Returns 0)
24. Creating a Multi-Level Associative Object Using AJAX
25. Ajax – Call to undefined function get_option()
26. Status 400 for AJAX POST Request with admin-ajax.php
27. Ajax random number always the same
28. Image upload via FormData API and AJAX is not working ($_FILES always empty)
29. Save Search System
30. dynamic dependent select dropdown
31. How to send Ajax request from my plugin in admin dashboard?
32. How to add a do_action on refreshing of WP customizer?
33. Setting value of session with Ajax not working
34. AJAX success response is not working but it’s saving my changes
35. How to add a Custom Mailchimp AJAX Newsletter Subscribe Form
36. Fancybox type popup window that’s not an iframe
37. How do I Import / Upload Files with jQuery AJAX?
38. WordPress Ajax Call inserting data but success response false
39. admin-ajax Firing Error 400 When Logged In
40. Making an AJAX call to refresh a table
41. HTML escaping data with ajax requests
42. load ajax using admin-ajax.php
43. Load Posts on Click via Ajax into a DIV
44. AJAX wp_insert_user WORKS but responds with “The site is not enabled”
45. Get related product based on subcategory selected from category id with ID 142
46. Why i can’t get custom fields value or post ID via Ajax?
47. Cannot access $wpdb, comes back NULL
48. Submitting a form, using Ajax, to run a SQL Select query based on user input from the form
49. Incrementing PHP variable onclick to display posts by month
50. Accessing an API with jQuery and AJAX
51. Ajaxurl suddenly not defined
52. Ajax URLs without #!, how to prevent falling into single.php on load or reload?
53. Change Query Arguments (filter) with jQuery/Ajax or PHP?
54. How to use wp_send_json() and output the value with ajax?
55. Using Ajax to submit a form, and run a SQL Select query based on user input from the form
56. WordPress cascading dropdown selection search based on Parent Page & Child Page
57. Display WordPress search results based on the selected Sub-Category
58. Tracking Visitor LatLng with WordPress using JS, PHP. How to put data which was extract using JS into DB
59. WordPress Search Ajax + Isotope + InfiniteScroll
60. duplicate posts with ajax load more wordpress
61. Settings API form – submit with AJAX
62. Post form – AJAX won’t upload featured image – Plugin development
63. Load more posts using AJAX based on posts inside WP_Query
64. How to call my PHP function with AJAX ? wp_query
65. Admin-ajax.php 404 error
66. How can i find wrong word in search box and replace with correct word
67. How to pass values from one function to the other using an array variable
68. How to use wp_ajax_set_post_thumbnail?
69. Update $wpdb query with AJAX
70. $.ajax results in 403 forbidden
71. Filtering custom posts by using checkboxes for taxonomy in an ajax loop always gives server 500 error
72. AJAX to add to cart multiple products woocommerce
73. Cannot successfully execute AJAX script to call function.php specific function. Using XAMPP localhost to test
74. wordpress dependent dropdownlist using post type is not working
75. How to echo a PHP code into WooCommerce variation product?
76. How can i get the same ajax result using WP REST API instead of admin-ajax?
77. How to call a function from functions.php with ajax?
78. ajax polling with admin-ajax.php
79. Custom Post type Ajax search results
80. number of posts with “Load More”
81. Ajax wordpress function showing source code in alert and not value of input field?
82. How to send Ajax Call from frontend without using wp_localize_script in Theme
83. How to load WP_Editor JS files manually (with AJAX)?
84. Find the method which AJAX GET calls
85. A javascript function that simply runs a php function on the plugin
86. Retrieve $_POST data to send to javascript without using localize script
87. Why I’m Not Having Access to “$_POST” Data Outside My AJAX Callback?
88. 500 (Internal Server Error) of external php file
89. Problems with plugin that fetches data from database with ajax
90. Dynamic Gallery
91. Execute PHP code in Javascript onclick
92. Load php function with AJAX on modal window
93. Pass a PHP variable (loop-audio.php) to jQuery function (js/script.js)
94. notify users when changed database
95. Remove Woocommerce product from cart with ajax/fetch
96. WooCommerce Modal Fly cart on add to cart – With AJAX
97. How can I use AJAX in child theme template?
98. using woocommerce_template_single_add_to_cart in shop-loop – javascript issues [closed]
99. How do I integrate vanilla Javascript to a wordpress website?
100. Ajax in a class instantiated via shortcode