JAVASCRIPT

ejs

app.set("view engine", "ejs");
app.set("views", __dirname + "/public");
app.use(express.static("public/assets/"));

ejs

const express = require('express')
const app = express()
const port = 3000

app.set('view engine', 'ejs')

app.get('/', (req, res) => {
    res.render('pages/index')
})
app.listen(port, () => {
  console.log(`App listening at port ${port}`)
})

ejs js

$ npm install ejs

ejs tutorial

<ul>
  <% users.forEach(function(user){ %>
    <%- include('user/show', {user: user}); %>
  <% }); %>
</ul>

ejs

npm install ejs	//install ejs in cmd

ejs means?

let str = "Hello <%= include('file', {person: 'John'}); %>",
      fn = ejs.compile(str, {client: true});

fn(data, null, function(path, d){ // include callback
  // path -> 'file'
  // d -> {person: 'John'}
  // Put your code here
  // Return the contents of file as a string
}); // returns rendered string

ejs

let ejs = require('ejs');
let people = ['geddy', 'neil', 'alex'];
let html = ejs.render('<%= people.join(", "); %>', {people: people});

Ejs

Error: Failed to lookup view "events/edit" in views directory "/home/tcb/Mange/NodeApps/myapp11/views"
    at Function.render (/home/tcb/Mange/NodeApps/myapp11/node_modules/express/lib/application.js:580:17)
    at ServerResponse.render (/home/tcb/Mange/NodeApps/myapp11/node_modules/express/lib/response.js:1008:7)
    at /home/tcb/Mange/NodeApps/myapp11/routes/events.js:55:11
    at /home/tcb/Mange/NodeApps/myapp11/node_modules/mongoose/lib/model.js:4919:18
    at processTicksAndRejections (internal/process/task_queues.js:77:11)

ejs

/*EJS with express
In Express v4, a very basic setup using EJS would look like the following. 
(This assumes a views directory containing an index.ejs page.) */

let express = require('express');
let app = express();

//to set view engine for using EJS
app.set('view engine', 'ejs');

app.get('/', (req, res) => {
  res.render('index', {foo: 'FOO'});
});

app.listen(4000, () => console.log('Example app listening on port 4000!'));

ejs

ejs ./template_file.ejs -f data_file.json -o ./output.html

ejs

Tags
<% 'Scriptlet' tag, for control-flow, no output
<%_ ‘Whitespace Slurping’ Scriptlet tag, strips all whitespace before it
<%= Outputs the value into the template (HTML escaped)
<%- Outputs the unescaped value into the template
<%# Comment tag, no execution, no output
<%% Outputs a literal '<%'
%> Plain ending tag
-%> Trim-mode ('newline slurp') tag, trims following newline
_%> ‘Whitespace Slurping’ ending tag, removes all whitespace after it

ejs

EJS PLAYGROUND
Check out what ejs does at the playground in the source