How can I make if (!confirm(‘Please confirm!') only affect certain functions in main()?

@dublove do you know why it didn't work? Maybe because you wanted to share variables, but your functions were out of scope? Try putting the functions inside, and at the end of the main function. Like this:

function main() {

    if (confirm('Please confirm')) {
        A1();
        A2();
    }

    A3();

    // script finished

    function A1() {
        // do something here
    };

    function A2() {
        // do something here
    };

    function A3() {
        // do something here
    };

};
app.doScript(main, ScriptLanguage.JAVASCRIPT, undefined, UndoModes.ENTIRE_SCRIPT, 'Do Script');