How invoke private function by name

Question

How invoke function by name? Actually I know how invoke function by name, but I can\'t find needed scope. So now I have to use this[\"get\" + widgetName]

Answer 1

You can't invoke private functions via a string variable except via eval(), and that's generally a bad idea.

However you can trivially create a private object that contains references to those private methods, and then index into that to get the desired function:

function widgetGeneratorService(...) {

    var methods = {
        func1: func1
        ...
    };

    methods['func1']();

}