Ajax

A lot of time we have to add some common parameter in request header or need to include some parameter in request body or query string. Jquery gives us the flexibility to the same using ajaxSetup method $.ajaxSetup({ // Define a global before request send beforeSend: function(xhr, settings) { if (settings.contentType) { //Update the query…

A lot of time we write similar kind of code to handle errors of an ajax request. And changing logic at every place could be a challenge. Jquery has method to handle this $.ajaxSetup({ // Define a global error handler error: function (xhr, textStatus, errorThrown) { if (xhr.status === 401) { // Handle unauthorized (e.g.,…