gistfile1.js

var meth1 = funciton(){
    // Do things here
    
    if(gotoMeth2)
        meth2();
    else
        meth3();
};

var meth2 = function(){
    // Do more things
    meth3();
};

var meth3 = function(){
    console.log('You had finished it!');
};

// Start the chain
meth1();