jQuery.event.special.touchstart = {
    setup: function( _, ns, handle ) {
        this.addEventListener("touchstart", handle, { passive: !ns.includes("noPreventDefault") });
    }
};
jQuery.event.special.touchmove = {
    setup: function( _, ns, handle ) {
        this.addEventListener("touchmove", handle, { passive: !ns.includes("noPreventDefault") });
    }
};
jQuery.event.special.wheel = {
    setup: function( _, ns, handle ){
        this.addEventListener("wheel", handle, { passive: true });
    }
};
jQuery.event.special.mousewheel = {
    setup: function( _, ns, handle ){
        this.addEventListener("mousewheel", handle, { passive: true });
    }
};
jQuery.event.special.scroll = {
    setup: function( _, ns, handle ){
        this.addEventListener("scroll", handle, { passive: true });
    }
};


$.fn.reverse = [].reverse;


$.fn.exists = function(fn) {
	if (this.length > 0) {
		if (fn) {
			fn.call(this);
		} else {
			return true;
		}
	}
	return this;
};


$.fn.prevNodes = function() {
    var el = this[0], current = el.previousSibling, list = [el];
    while (current) {
        list.push(current);
        current = current.previousSibling;
    }
    return $(list);
};
$.fn.nextNodes = function() {
    var el = this[0], current = el.nextSibling, list = [el];
    while (current) {
        list.push(current);
        current = current.nextSibling;
    }
    return $(list);
};



$.fn.changeElementType = function(newType) {
    var attrs = {};

    $.each(this[0].attributes, function(idx, attr) {
        attrs[attr.nodeName] = attr.nodeValue;
    });

    attrs['value'] = this[0].value;

    var $replace = $("<" + newType + "/>", attrs);

    this.replaceWith(function() {
        return $replace.append($(this).contents());
    });

    return $replace;
};