isJQueryVersionAtLeast: Permite ver si una version es al mayor o igual que una minima definida

gistfile1.txt

function isJQueryVersionAtLeast(mayor, minor, fix){
    var minVersion = [mayor,minor, fix];

    var currVersion =  $.map($.fn.jquery.split('.'), function(item, index){
	    return parseInt(item);
    });

	return currVersion[0] > minVersion[0] ||
		    (currVersion[0] == minVersion[0] && 
		         (currVersion[1] > minVersion[1] ||
		              (currVersion[1] == minVersion[1] && 
		                  currVersion[2] >= minVersion[2])));
}


isJQueryVersionAtLeast(1,2,3)