ajaxSetup,ajaxComplete

var ajaxCallArr = [];

$(document).ajaxComplete(function(event, xhr,settings ) {

if( xhr.getResponseHeader('loginUrl') ){

window.location.href = xhr.getResponseHeader('loginUrl');

}

});

$.ajaxSetup({

cache: false,

beforeSend:function(){

try{

document.getElementById('loading-bar').style.display= 'block';

}catch(e){

console.log('dom error');

}

ajaxCallArr.push(1);

},

complete: function(){

ajaxCallArr.pop();

if( ajaxCallArr.length == 0 ){

try{

document.getElementById('loading-bar').style.display= 'none';

}catch(e){

console.log('dom error');

}

}

}

});