EXPRESSJS EJS Template official webiste ejs.co Embedded javaScript Templating-> EJS Template -> Template engine Based on javaScript EJS provides a clean and convenient way to create view in expessjs BENEFITS:create Dynamic and Reuable Template Ejs Template Tag syntax TAG description <% %> controll flow, no output <% = %> Output escaped value (safe) <% - % > Output unescaped value(unsafe) <% # %> comment not showing output <%-%> Remove the folling newline <%_%> remove white space before IT <%_%> remove all white space after IT benifit Prevents(save) for XSS attacks Example <ul> <% for(let i=1;i<=3;i++){%> <li> item <% = i %> <li> <% } %> </ul> create new project npm install -y npm install express nodemon ejs note fist nodejs,exprss nodemon for contine server run and ejs template engine GO package.json file scripting run developing "scripts": { "test": "echo \"Error: no test specified\" && exit 1", "start":"nodemon index.js" }, if you want to javaScript ES6 then Go package.json after"main": "index.js", write "type":"module", THAN create index.js file and write inclue const expess =require('expess') or ES6 import express from 'express'; RUN npm run start variable value print res.render("about" ,{title:'About page',message:'wekcome to EJS'}) <title> <%= title %> </title> javaScript control print loop ,condition <% if(message){%> <p><%= message %> </p> <%}else{ %> <span>Ther is no message</span> <% } %> loop <% let items = ["apple","Banana","orange","Cherry"] %> <ul> <% items.forEach( item => { %> <li> <%= item %> </li> <% }) %> </ul> // indexing array // array object app.get('/about',(req,res)=>{ var users=[ {name:'hotdr kumar',age:45,city:'mumbai'}, {name:'akshsy kumar',age:34,city:'patna'}, {name:'tsrd kumar',age:65,city:'ghar'}, {name:'tsmrd kumar',age:54,city:'hforla'}, ]; res.render("about",{ title:"Home page", message:"welcome", items:users }) }) //view template <table border="1" width="500px"> <% items.forEach( item => { %> <tr> <td> <%= item.name _%></td> <td> <%= item.age _%></td> <td> <%= item.city _%></td> </tr> <% }) %> </table> @@@@@@@@@@@@ EJS Template From Submission Partials Serving Static Files(css,js,Images) app.use(express.urlencoded('extended:false')) // use for form submited in index page app.get('/form',(req,res)=>{ res.render('form') }) app.post('/submit',(req,res)=>{ const name=req.body.myname const message=`Hello,${name} You submitted the form` res.send(message) }) EJS TEMPLATE :Partials header,menu,sidebar reusbility method <%- include ('header')-%> method <%- include ('footer')-%> app.use(express.static('public')) // use for css index.js