jQuery plugin public method/function

Question

I am trying to achieve something like the following but dont know whats wrong:

$.a = function() {

// some logic here

function abc(id) {
   alert(\'test\'+i         


        

Answer 1

$.a = (function(){
    var a = function() {
        //...
    };
    a.abc = function() {
        //...
    }
    return a;
})();