Відео

Thank you very much 😀🙏❤️

Absolutely. I have a video on file handling for web apps where I talk about that a lot

Building something like that is not too hard. An experienced developer could put it together in a day or two. Data can be saved locally (on your computer) using LocalStorage, IndexedDB, Cache API, or even cookies. The hard part is meeting the security restrictions for the browser. The pages have to be opened through a web server and localhost or some real url. You said you wanted it local so it has to be through localhost. It can't be done just opening a file in the browser like C:/Users/Files/mypage.html, the url has to start with With the storage options I listed before, you are still at the mercy of the browser deciding when it wants to delete the data. If loading the web page via localhost then you can actually save a file locally on the computer via JavaScript and then open it again via JavaScript. If you install Node.js on your computer and your husband's computer then you can easily build the website along with a Node.js module that creates the web server to load your HTML over http. It's a lot of moving parts but none are really that difficult on their own. Here is a tutorial about handling files from web pages. - ua-cam.com/video/zq2xD-xuIG4/v-deo.html

@@SteveGriffith-Prof3ssorSt3v3 Thanks for the great post! Lots to think about! The Node.js thing was why I was wanting to do something "local".

@atlantic_love node running on your computer or your husband's is still local. Just an extra step to set up.

No magic mouse. Only a MacBook trackpad

@@SteveGriffith-Prof3ssorSt3v3 eyy prof, didn't expect a reply on a 5y old video, me but that's interesting, i didn't expect MacBook clicks to be this loud

@@rudrakshmishra2761 depends on whatever mic I was using

всегда.

@@SteveGriffith-Prof3ssorSt3v3 он же убийца, садист, военный преступник

Absolutely. In one of the other videos in this playlist I talked about using the disconnectedCallback() method in the component class. It is called when the component is removed from the page. You would use a standard removeEventListener call to delete the listener inside of disconnectedCallback().

Communication / messaging between tabs, windows, components, and service workers is covered in this playlist - ua-cam.com/play/PLyuRouwmQCjk-hvtzQSrCSxBd4S0nOMh9.html. Smaller scope than that would be messaging through custom events, covered in this - ua-cam.com/video/wmGmKSLfVCY/v-deo.html

Like this? - ua-cam.com/video/_2SvAepbCSg/v-deo.html

Probably not any time soon. I have videos planned out for the next couple.months

For uploading data, this tutorial covers all you need - ua-cam.com/video/2sQ9xiEAXNo/v-deo.html I have a playlist on MySQL - saving data in a MySQL database, I also have a playlist on PHP - building webpages and talking to the database. And I am currently recording a video on how to use SQLite in NodeJS to save data. It will be part of the NodeJs playlist.

Not every project is built on the same day using the same version of Node. For backwards compatibility it is very useful to be able to work on older versions of a project using the version of Node that was used with that project. Nothing sad about a project that continues to be used after the version of Node increments.

{ "name": "your-project-name", "version": "1.0.0", "description": "Your project description", "main": "index.js", "scripts": { "start": "node index.js" }, "engines": { "node": ">=14.0.0 <=16.0.0", "npm": ">=6.0.0 <=7.0.0" }, "dependencies": { "your-dependencies": "^1.0.0" } } the engines field specifies that the project is compatible with Node.js versions between 14.0.0 and 16.0.0, and npm versions between 6.0.0 and 7.0.0. You can adjust these version ranges according to your needs. Using nvm If you're using nvm, you can create a .nvmrc file in your project directory specifying the Node.js version, You can add a preinstall script to your package.json to enforce the required Node.js and npm versions { "scripts": { "preinstall": "node check-versions.js", "start": "node index.js" }, "dependencies": { // your dependencies }, "engines": { "node": ">=14.0.0 <=16.0.0", "npm": ">=6.0.0 <=7.0.0" } } const semver = require('semver'); const { engines } = require('./package.json'); const nodeVersion = process.versions.node; const npmVersion = require('child_process').execSync('npm --version').toString().trim(); if (!semver.satisfies(nodeVersion, engines.node)) { console.error(`Required Node.js version ${engines.node} not satisfied with current version ${nodeVersion}.`); process.exit(1); } if (!semver.satisfies(npmVersion, engines.npm)) { console.error(`Required npm version ${engines.npm} not satisfied with current version ${npmVersion}.`); process. Exit(1); } it is nice to be able to do it yourself .... we had a math teacher who would let you bring in a calculator for tests and quizzes. You had to pull out the batteries before he would let you use it ...... always bring a #2 pencil just incase