Check for breakpoints on window resize

JS Breakpoint checker

$j(window).on('load resize',function(){
	sizeCheck();
});

var currentBreak = -1;
var breakpoints = [788,522,320,0];

function sizeCheck() {
	
	var screenBreak;
		
	var screenW = $j(window).width();
	for (var i = 0; i < breakpoints.length; i++) {
		if( screenW > breakpoints[i]){
			screenBreak = i;
			break;
		} 
	}

	if (screenBreak != currentBreak) {
		currentBreak = screenBreak;
		
		var bp = breakpoints[i]; //this will be the px value defined in the breakpoints array
		
		switch( currentBreak ){
				case 0 : /* the first breakpoint or larger*/ ; break;
				case 1 : /* second */ ; break;
				case 2 : /* third */; break;
				default : /* stuff that happens below the lowest one */;
			}


	}
			
}