[jquery] AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?

 $.ajax({
            url: '###',
            contentType: 'text/plain; charset=utf-8',
            async: false,
            xhrFields: {
                withCredentials: true,
                crossDomain: true,
                Authorization: "Bearer ...."
            },

            method: 'POST',

            data: JSON.stringify( request ),
            success: function (data) {
                console.log(data);
            }
        });

the contentType: 'text/plain; charset=utf-8', or just contentType: 'text/plain', works for me! regards!!

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