Question

I have some function declared like this that check element for something(true, false):

(function($) {
$.myfunc = function(element, settings) {
    // skiped return comparison
};

})(jQuery);

Then I want to use this function as an additional selector. I am trying sometime like this(of course its wrong code):

var lastprl = $("a[prl]").filter(function() { $.myfunc($(this), {param : 0}) }).last();

Seems the main idea is right to filter elements with my function, then select .last() from array. Please, help fix this code. Maybe I incorrectly use $.myfunc call? or something else?

Answer 1

.filter() requires a return value from the function you give it. Your return is missing.

.filter(function() { return $.myfunc($(this), {param : 0}) })
        // ------------^^^

Also make sure $.myfunc is returning a boolean result.