BracketBulldog

var cw, pcw;
$(window).on('load resize', function () {
	// get width as int
	cw = parseInt($('.container').css('width'));

	// make 'current !== previous' equation easier
	if (cw < 750) {cw = 'xs';}

	// execute breakpoint-specific action if the current container width is not the same as the previous one
	if (cw !== pcw) {

BracketBulldog

// how to detect flexbox support

// create a test div in the DOM
var div = document.createElement('div');

// make sure the default value is display: block 
div.style.display = 'block';

// try some display values invoking flexbox
try {