what is static files in express code example

Example 1: node express server static files

var express = require('express');
var app = express();
var path = require('path');

//app.use(express.static(__dirname)); // Current directory is root
app.use(express.static(path.join(__dirname, 'public'))); //  "public" off of current is root

app.listen(80);
console.log('Listening on port 80');

Example 2: use static with expres

app.use(express.static('directoryName'))
#store the files in the directory as if you were making a website without express

Example 3: serving static files with express

app.use(express.static('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.