Coding

< form action = "https://www.sandbox.paypal.com/cgi-bin/webscr" method = "post" > < input type = "hidden" name = "" value = "_cart" > < input type = "hidden" name = "" value = "1" > < input type = "hidden" name = "email" value = "write@email" > < % var num = 0; %> < % cart.forEach(function(pp){ %> < % num++ %> < input type = "hidden" name = "item < %= num %>" value = " < %= p.title %>" > < input type = "hidden" name = "amount_ < %= num %>" value = " < %= p.price %>" > < input type = "hidden" name = "quantity_ < %= num %>" value = " < %= p.qty %>" > < % }); %> < input type = "hidden" name = "c...

https://fancyapps.com/fancybox/3/ <!-- 1. Add latest jQuery and fancybox files --> <script src="https://cdn.jsdelivr.net/npm/jquery@3.4.1/dist/jquery.min.js"></script> <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.css" /> <script src="https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.js"></script> $ ( function () { if ( $ ( "[data-fancybox]" ). length ){ $ ( "[data-fancybox]" ). fancybox (); } });

Install the Heroku CLI Download and install the  Heroku CLI . If you haven't already, log in to your Heroku account and follow the prompts to create a new SSH public key. $ heroku login Create a new Git repository Initialize a git repository in a new or existing directory $ cd my-project/ $ git init $ heroku git:remote -a mernstackblogappdemo Deploy your application Commit your code to the repository and deploy it to Heroku using Git. $ git add . $ git commit -am "make it better" $ git push heroku master Existing Git repository For existing repositories, simply add the  heroku  remote $ heroku git:remote -a mernstackblogappdemo Source: https://devcenter.heroku.com/articles/heroku-cli

Exercises: 1. Write a JS program to check two numbers and return true if the number is 100 or if the sum of the two numbers is 1. 2. Write a JS Program to get the extension of a filename 3. Write a js program to get the current date 4. Write a JS Program to create a new string adding "New!" in front of a given string. If the given string begins with "New!" already then return the original string. Write a program that prints the numbers from 1 to 100. But for multiples of three print "Fizz" instead of the number and for the multiples of five print "Bizz". For numbers which are multiples of both three and five print "FizzBuzz". console.log 1-100 exception: console.log "Fizz" for multiples of 3 exception: console.log "Buzz" for multiples of 5 exception: console.log "FizzBuzz" for multples of 3 AND 5 Solutions

Reduce Example 1: Example 2:  Map Filter Sort Combined Method

For Loop Example: ForEach Loop Example: For In Loop Examples:

The MERN stack is a popular stack of technologies for building a modern single-page application. The MERN stack consists of the following technologies: MongoDB : A document-based open source database. Express : A web application framework for Node.js. React : A JavaScript front-end library for building user interfaces. Node.js : JavaScript run-time environment that executes JavaScript code outside of a browser (such as a server). It is also common to use  Mongoose , which is a simple, schema-based solution to model application data.