What is Render in node.js?

Render

The app.render() method is used for returning the rendered HTML of a view using the callback function. The res.render() function is used to render a view and sends the rendered HTML string to the client. This method accepts an optional parameter that is an object which contains the local variables for the view.

Locals: It is basically an object whose properties define local variables for the view.

Callback It is a callback function.

res.render(view [, locals] [, callback])

File Name :

app.get('/ittutorial', function(req, res){
// Rendering ittutorial_home.ejs page
res.render('ittutorial_home');
})

// here ittutorial_home is the view page.

File Name :

res.render('home');

############### Or #########

res.render('home', function(err, html) {
if(err) {...}
res.send(html);
});

File Name : home.ejs

<html>
<head>
<title>res.render() Demo</title>
</head>
<body>
<h2>Welcome to Coding Ninjas</h2>
</body>
</html>

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