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I would like to start learning JavaScript for the purpose of making browser/handheld games and responsive websites. A friend of mine recently showed me HTML5 canvas. I was confused about whether I need to learn HTML5 canvas in order to make games.
I have done some research and all I could find is people talking about HTML5 and JavaScript. So is it necessary?
You don't need HTML5 Canvas, however it can be useful in game creation..
It is recommended that you use HTML5! Since it is the current standard.
Javascript will probably be important as well as PHP/MySQL or some other server side scripting language.
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Just on the first page of Nest, they proudly claim :
A progressive Node.js framework for building efficient, reliable and scalable server-side applications.
The only word I can't grasp is progressive and what that can means in the programming world.
Can anyone explain the concept to me?
According to a Dictionary on the web progressive means happening or developing gradually or in stages.
What I infer from their website about them is "NestJs Takes advantage of latest JavaScript features, bringing design patterns and mature solutions to Node.js world."
and indeed they are doing so by making it more extensible and versatile.
Well, this has nothing to do with PWA(Progressive Web App) Hope this answers your question.
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I want to generate some picture, graphs to be more specific.
I would like them to render in a webpage.
I figured out that it's fairly easy to generate graph as pictures using javascript and HTML5 canvas.
But I realized that this might not be a good option, because javascript renders at client's side and calculating the graph may be complicated.
Also when I want to insert other pictures into such graph, javacript will expect those other pictures somewhere on client's computer.
So I guess that I should generate the picture before loading the page and then render the page with the picture on it...if there are no mistakes in my assumptions.
And if so, what would be the best way to achieve that? I work with Ruby and rails for the web app.
Thank you!
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I am interested in making mobile friendly browser games, and was wondering if I should stick too classical JS/CSS3 (and HTML5?), jQuery, flash, webGL technology, or the unity framework.
Which of these is the easiest to work with and also the most effective for rendering graphics in the browser at 60FPS?
Things are moving in the direction of the HTML5 canvas. It has good browser support and works great on mobile devices (where Flash is not even an option). You will find yourself very limited if you use HTML elements and move them around with JavaScript. With the canvas you are still writing JavaScript, but only modifying one HTML element: the canvas.
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I've recently finished watching some beginner JavaScript tutorials; it's quite easy to understand. I'm trying to look for intermediate ones now, but I can't find any. So I've decided to not waste time while looking for some continuation on my JavaScript journey. What should I learn next? I prefer that which is important, and perhaps, closely related to JavaScript.
It depends on what your goal is, and what you have already learned.
If you want to become a web developer, you should learn some server-side web languages like PHP or ASP.NET.
If you want to become a general developer, it would be useful to know systems languages like Java or C++.
If you want to be a computer scientist, studying algorithms might be a good start.
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Is there any JavaScript library for human body detection in images or video? I know OpenCV in C++ and Python, but I need it in JavaScript. There are also libraries for face detection, but I can't find any for the whole body.
Yes, there are JavaScript ports of OpenCV that perform object detection on images or videos in real-time: js-objectdetect (which contains an upper body classifier) and HAAR.js.
More classifiers can be found in the OpenCV distribution or on the internet, they just have to be converted into another format before they can be read by the JavaScript libraries.
You can also use the same C++ libraries integrated in a NPAPI, and then call for the C++ functions from your javascript code.