Synchronous XMLHttpRequest warning and [removed]

Question

I\'m getting a warning message:

Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user\'s expe

Answer 1

In my case if i append script tag like this :

var script = document.createElement('script');
script.src = 'url/test.js';
$('head').append($(script));

i get that warning but if i append script tag to head first then change src warning gone !

var script = document.createElement('script');
$('head').append($(script));
script.src = 'url/test.js';

works fine!!