Some times we want to know bootstrap screen size from javascript. When I am developing I needed it and Now I am using following function. Calling it I can get bootstrap screen size like “xs”,”md”,”sm”,”lg”
function findBootstrapEnvironment() { var envs = ['xs', 'sm', 'md', 'lg']; $el = $(' <div>'); $el.appendTo($('body')); for (var i = envs.length - 1; i >= 0; i--) { var env = envs[i]; $el.addClass('hidden-' + env); if ($el.is(':hidden')) { $el.remove(); return env } }; }