JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test"></div>

JavaScript

$(document).ajaxError(function(event, jqXHR, ajaxSettings, thrownError) {
    if (ajaxSettings.url == 'addToBasket.php') { // has all the settings passed to $.ajax() as argument
        alert(ajaxSettings.data)
    }
})

$.ajax({
    type: 'POST',
    url: 'addToBasket.php',
    data: 'id=test',
    error: function(xhr, textStatus, error){
        // does not have the settings as an argument
    },
    success: function(data, textStatus, xhr){}
});