Check when all Ajax Requests are complete - Pure JavaScript -

i know jquery's ajaxstop method.

$(document).ajaxstop(function() { //do }); 

is there way pure javascript if jquery not available?

could provide example if so?

cheers

very well, i'll bite (though not trying quite lazy on part):

from jquery docs:

whenever ajax request completes, jquery checks whether there other outstanding ajax requests. if none remain, jquery triggers ajaxstop event. , handlers have been registered .ajaxstop() method executed @ time.

so need? well: central api (a module of sorts) you'll use perform ajax requests. in module, you'll have keep track of pending requests, , remove them once requests have terminated.
if queue (so speak) empty, can check ajaxstop queue registered callbacks, , invoke those.

a basic setup (pseudo-code) this:

var myajax = (function() {//create closure scope track ajax requests     var activerequests = [],         stopqueue = [],         ajaxmodule = {},//the module         createxhr = function(){};//function create xhr requests     ajaxmodule.ajax = function(params, callback)     {         var xhr = createxhr(params),             key = activerequests.length;         activerequests.push(xhr);//add active array         xhr.onreadystatechange = function()         {//assign internal handler             if (this.readystate === 4 && this.status === 200)             {                 //invoke passed callback if request done                 callback.call(this, []);//pass params please                 activerequests.filter(function(e)                 {                      return e !== this;                 }, this);//define callback in closure, of course                 if (activerequests.length === 0)                 {//no more active requests                     stopqueue.map(function(callback)                     {                         callback();//invoke callbacks                     });                 }             }         };     };     return ajaxmodule;//expose module }()); 

of course, you'll still have implement functions manage stopqueue callbacks, , you'll have implement reliable ajax module yourself, simple setup use.