test

var wusername = "xxxx";
var wpass = "xxxx";
$.ajax({
        username: wusername,
        password: wpass,
        url: 'http://92.39.131.114:40999/test_connection/',
        type: 'POST',
        crossDomain: true,
        contentType: "text/plain; charset=utf-8",
        data: { test: "blablabla" },
        beforeSend: function(xhr){
            xhr.setRequestHeader("Authorization",
                "Basic " + btoa(wusername + ":" + wpass));
        },
        success: function(result) {
            console.log("YES!!!");
        },
        error: function(){
            console.log("error");
        }
    });