how to use static files in node js code example

Example 1: access to static file nodejs

app.use(express.static(__dirname + '/public'));
<link rel="stylesheet" type="text/css" href="css/style.css" />

Example 2: how to use static file node js

app.use(express.static('public'))
app.use(express.static('files'))

Example 3: how to use static file node js

app.use('/static', express.static(path.join(__dirname, 'public')))

Example 4: static file

Static file is any content that can be delivered to an end user without 
having to be generated, modified, or processed.