Render specific page on NodeJS error

How can I render a specific page when an error occurs in my Node app开发者_开发知识库? For example catch all errors and render a 404 when they happen...

By the way I am using Express.

You should use app.error() as described in the guide.

app.get('/error', function(req, res, next){
   throw new Error('oops');
});
app.error(function(err, req, res, next){
   // do whatever you want
});

// Add an error handling as last piece of middleware
app.use(function(err, req, res, next) {
    res.render("404");
});

There is a specific error handling middleware for this express.errorHandler