Javascript mynotes

Javascript mynotes

• 1.
  5 elements foreffective thinking – Michael Starbird • 1. Understand Deeply • 2.Make Mistakes • 3. Raise Questions • 4. Follow the Flow of Ideas • 5. Change
• 2.
  Generate Color Palette https://mycolor.space/
• 3.
  Color Generator https://coolors.co/
• 4.
  Developer Documentati on Developer documentation ismeant to describe every aspect of how developers should interface with a given software service or library. When we read documentation, we are learning how to use the software's "API".
• 5.
  API Application Programming Interfacesis the interface that you used so you can speak to hardware. Is the part of the server that receives requests and sends responses. When you use map on array – map is and api method of array Application: These can be apps that you use on your smartphone or a software program that you use. Programming: Developers use APIs to write software. Interface: How you interact with the application.
• 6.
  What is jQuery?“Write Less, Do More.” Is a collection of pre-written JavaScript code (known as a JavaScript library) that you can add to your own coding projects.
• 7.
  What is theMain Difference Between JavaScript and jQuery? JavaScript is a standalone programming language, while jQuery is a collection of JavaScript code (not its own language).
• 8.
  Example Javascript VsjQuery window.onload = initAll; function initAll() { document.getElementById(“submit”).onclick = submitMessage; } function submitMessage() { var greeting = document.getElementById(“name”).getAttribute(“valu e”); document.getElementById(“headline”).innerHTML = “Thank you for joining our email list,” + greeting; return false; } $(“#submit”).click(function () { var greeting = $(“#name”).val(); $(“#headline”).html(“Thank you for joining our email list, ” + greeting); return false; });
• 9.
  Navigating Documentati on • Class Reference:A comprehensive listing of API functionality. • Changelog: A reference of what changes in each API version. • Code Samples: A set of examples showing typical API usage. • Code Playground: An interactive explorer for trying the API live in the browser. • Developers Guide: A conversational written guide to using the API. • Articles: Tutorials and screencasts discussing different ways of using the API.
• 10.
  Node.js Open-source environment forJavascript Created by Ryan Dahl Can generate dynamic page content Can create, open, read, write, delete, and close files on the server Can collect form data Can add, delete, modify data in your database
• 11.
  NPM: The NodePackage Manager A tool that comes by default with every Node.js installation
• 12.
  Package.json file Includes thepackages and applications it depends on, information about its unique source control, and specific metadata like the project's name, description, and author. It contains a collection of any given project's dependencies. These dependencies are the modules that the project relies on to function properly.
• 13.
  Open Source READme A descriptionof the project. What does it do? What does it solve? Installation of the code into your own, or how to run it on your computer Common examples of usage Comments about how to contribute. This can be simple A link to more information, documentation or support A list of known bugs, limitations and/or a To Do list of features. Although these should also be issues in the GitHub repo Optionally, a list of people using this code inside theirs (in the case of plugins etc) or top contributors If no LICENSE.md, an indication of the license of the code (MIT, Apache etc). Use Choose a License to determine this Most common MIT, ISC
• 14.
  Node REPL REPL standsfor Read Eval Print Loop and it represents a computer environment like a Windows console or Unix/Linux shell where a command is entered and the system responds with an output in an interactive mode. Node.js or Node comes bundled with a REPL environment. To launch the REPL (Node shell), open terminal and type node. It will change the prompt to > in Windows and MAC. You can now test pretty much any Node. Js.
• 15.
  Adding an existingproject to GitHub using the command line Open Terminal. Change the current working directory to your local project. Initialize the local directory as a Git repository. $ git init Add the files in your new local repository. $ git add . Commit the files that you've staged in your local repository. $ git commit –m “ “ At the top of your GitHub repository's Quick Setup page, click to copy the remote repository URL In Terminal, add the URL for the remote repository where your local repository will be pushed. $ git remote add origin remote repository URL $ git remote -v # Verifies the new remote URL Push the changes in your local repository to GitHub. $ git push -u origin master
• 16.
  .gitignore file touch .gitignore (createthe gitignore file) vi .gitignore (vi is a text editor) git rm --cached .DS_Store (move the DS_Store file to .gitignore without deleting it locally but deleting it only from git)
• 17.
  Execute a filewith node test (example) • const data = require('./data') • Node • node ( the file you want to test index.js)