Linking Html Form Action To Node Js Function

I'm trying to execute a function in node.js when a users enters information on a form in html. I keep getting 404 not found and am not sure where to go. I'm sure there are other qu

Solution 1:

The order of middleware loading is important: middleware functions that are loaded first are also executed first.

You added the /zipCheck route after the error handler, your requests will never reach this handler and your app will not print GOOD.

You need to reorder your routes handler, also add a slash before zipCheck

app.use('/', indexRouter);
app.use('/users', usersRouter);

app.post('/zipCheck', function(req, res){
    console.log("GOOD");
});

// error handler
app.use(function(err, req, res, next) {
    
})