Mac OS emulator on the Web
Hi,
I want to introduce my project, which I call Mac OS emulator on the Web. We have programs like Notes, Calculator, T...
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One quick question. As there are only two apps available at the moment, I tested the Calculator app with
0.1+0.2and I got0.300...004, a common result we get in some programming languages. Just want to know how (and the best way) can we solve this issue when implementing a calculator app ourselves.Hi,
This is a good point that I did not pay attention to it before.
When I saw your opinion, I first went to find out how this happens, which was interesting to me.
Then I thought to your question, how can we solve this issue?
At first, I thought we could round the number, but when I used the round method in JS, the result was zero! Then I searched it and realized that we can use the toFixed() method in JavaScript, when we put the digit on 1, the result is 0.3!
I want to know what is your answer to this question and is my answer correct?
Thank you very much for your excellent comment :)
Yes,
toFixed()is the JS way to round aNumberand obtain a string. It will work if we know the number of fraction digits. If we divide numbers like1/3,toFixed(1)will result in an answer0.3with a huge deviation compared to something like0.333333.Actually I am also looking for a good answer to this question. But I do have a workaround: to use
toLocaleStringwith anen_USlocale andmaximumFractionDigitsspecified as16or less.That's right,
it's a great idea to use
toLocaleStringwith anen_USlocale andmaximumFractionDigitsspecified as16or less. 👍Btw, awesome work. It really feels like macOS and is also running fast!
I've seen a Windows 10 web app here in dev.to before but it was a bit laggy.
When you are 24, you will probably be working at Apple.
Btw, I just checked your GitHub repo, and immediately I have two things in my mind.
Thanks :)
For your first question, I had the mistake of adding my github's account private key to the repository source.
now I remove them all.
I'm glad about that :)
I had no idea what vanilla meant 😅(of course, now I know).
you are 14? really?
btw, be careful on how you remove those private keys. one commit removing the files is not enough
Just change the keys if you've exposed a private key. As a general rule, never commit a private key on a public repository and really it's best to not ever and use something more secure like Hashicorp Vault or AWS's tools for secrets.
To OP: See this for GitHub's official guide about removing sensitive data: docs.github.com/en/authentication/...
I don't know why I can't press "reply" on your answer, but here:
Well you deleted them, but they are still in the git commit history se we can still see them, so either:
I don't know git enough on the security parts, but if you don't want people to do bad things with your keys, invalidate them and generate them again (Idk how, sorry). :)
Hi, Try this.
This works too!
You should use bigNumber to fix it. (Mathjs, Bignumberjs). This is my example: github.com/nguyenvannghi/calc-reac...
Changing the top-menu font will make it more realistic!
this is amazing, however i will recommend you to show the menu list when it is clicked instead of on focus.
Thank you
but I don't understand what do you mean
can you please explain more?
i am saying that when i hover on "file" top the top left, it shows the dropdown menu, it should be visible on click action not hover action
Ok I got it
Thank you for the explanation💚
anytime brother, you are doing a amazing work! i have followed you and will be looking for the future blogs!
Thank you so much bro :))
very good work....I was experienced for using the MacOS...Thank you
Good job. Impressive and appreciated.
It is not a difficult project but not easy for your such age. I was only learning AppleSoft Basic (maybe you don't know it) at your age. jQuery is good for beginner. It was also my first library to start web programming. Next step, you can try one of popular frameworks, Angular, React, Vue.js, etc. They are so interesting and funny to play. You will love it.
Coool ❤️
Thank you
Nice one
Hi!
Very good work for fun...
If you really want to realize your project maybe you should base it on GreyOS. It is an open source Meta-OS (nothing related to metaverse, facebook, etc.). I have been developing this since 2013.
I am a professional enterprise architect and I'd love to help you Muhammad.
Please check the github.com/g0d/GreyOS for details and let's make something beautiful :-)
Congrats.
What I suggest to you is to check this repo: github.com/PuruVJ/macos-web
This guy already did the exact same thing but in Svelte with some improvements. So i think you can learn from it and also if you want, learn svelt!
The website that is hosted is: macos-preact.vercel.app/
Thank you.
yes, i knew about that :)
This was awesome, keep going.
Thank you so much
have a nice day :)
This is amazing not only you're just 14 but also you're using only Js not modern framework for building this website.
Btw, there's a little bug in here, but keep going, you're really awesome.
dev-to-uploads.s3.amazonaws.com/up...
Thanks so much.
Yeah, I'll fix that bug in the next update.
Although Keyboard shortcuts aren't working but 3-finger drag worked like a charm. It's awesome.
Amazing 🚀
💪
عاش
عااااااش جدا🖤
انا في سنة تانية في حاسبات ومعلومات ولسة م وصلتش لمستواك😂😂❤
I am here to say that this is impressing! I wonder what you will be able to do after 10 years in computer science. Keep up the good work.
Hehe iya gan ya Allah aku berlindung 🤝 ga tau kenapa _hr
_
wow this is really awesome
haha, loved it . This was the first time I had any mac experience. thankyou 😀
Well, Thats really good and i appreciate this
Great Effort for 14 years old. I am 32 years old. I don't think I can make make this. Kudos to you great effort :-)
That's pretty cool. There is definitely stuff left to do but I really like it. :)
Thanks :)
I will try to make it better.
Please make it more powerful enough and add more features in the coming times, also make it more personal and easier so that we can log on from anywhere and have everything saved
Thank you very much for your ideas
I try my best to add these features to my project :)
Hey, Very Good Work!
Cool stuff man, keep up the good work
Good job Muhammad! It's so great that you are getting into this at such a young age! You are on your way to a bright future and an inspiration to kids of all ages.
Thanks.
wow! how long did it take to make this! and also did you use some framework?
It took time because I was learning during the coding and no I didn't use frameworks just a bit of jQuery.
It's sooo good! LOL, great job 💯
Thanks.
This is really impressive!
Thanks :)
This is AMAZING...
Thank you
Wow such a nice website you have created
Thank you my friend :)
Awesome!!!!
Thank you
This is incredible.
thank you so much :)
Hukum ini
Maan, this is awesome 🔥🤙
Thanks.
Very good!
Thanks!
This is very impressive! Keep going, you have a bright future ahead of you!
Thanks :)
Keep up the spirit bro
Amazing man, good job 👍
Thanks :)
This is best helpful information keep it up bit.ly/3nosoxR
Dammm you are aewsome
Thank you
wow! such fast learning!
Coool
really liked it 🔥🔥🔥
Thanks :)
There are two 14yo boys here on DEV. One is making MacOS on the web, the other one Windows on the web.
dev.to/abdulrrehman0/windows-12-bu...
What is going on?
Thank you so much.
yeah, I tried to start from scratch to learn better.
Can you teach me how to do it?
Awesome! you can call it moc emulator, since its a mock of mac 😜
Thank you!!
Thanks.