How to change header with jquery ajax

Jquery ajax method to change the header: 1. Set the header through the "$.ajax({undefined headers: {...}})" method; 2. Set the header using the beforeSend method.

The operating environment of this article: windows7 system, jquery3.2.1 version, DELL G3 computer

How to change the header of jquery ajax?

Two ways to set headers in jquery ajax

1. Setting parameter headers

$.ajax({undefined headers: { Accept: "application/json; charset=utf-8" }, type: "get", success: function (data) { } });

2. beforeSend method

$("#test").click(function() { $.ajax({ type: "GET", url: "default.aspx", beforeSend: function(request) { request.setRequestHeader("Test", "Chenxizhang"); }, success: function(result) { alert(result); } }); });

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