JavaScript (/ˈdʒɑːvəskrɪpt/), often abbreviated JS, is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS. As of 2022, 98% of websites use JavaScript on the client side for web page behavior, often incorporating third-party libraries. All major web browsers have a dedicated JavaScript engine to execute the code on users' devices.
JavaScript is a high-level, often just-in-time compiled language that conforms to the ECMAScript standard. It has dynamic typing, prototype-based object-orientation, and first-class functions. It is multi-paradigm, supporting event-driven, functional, and imperative programming styles. It has application programming interfaces (APIs) for working with text, dates, regular expressions, standard data structures, and the Document Object Model (DOM).
The ECMAScript standard does not include any input/output (I/O), such as networking, storage, or graphics facilities. In practice, the web browser or other runtime system provides JavaScript APIs for I/O.
JavaScript engines were originally used only in web browsers, but are now core components of some servers and a variety of applications. Two of the most popular runtime systems for this usage are Node.js and Deno.
Although Java and JavaScript are similar in name, syntax, and respective standard libraries, the two languages are distinct and differ greatly in design.
Reference: WIKIPEDIA
1427 questions
Nice to meet you.I'm a beginner at javascript, but I found chart.js as a relatively easy library to draw graphs and made a simple sample.In practical use, I think it would be a requirement to set the ...
If you use a function as an argument for a function as shown in Position(Math.random()); below, Is it called a high-order function to distinguish a function of an argument from a general function?let ...
What I'm trying to do right now is to ajax the error that entered the catch with try catch and send an email.However, even if you try to catch the outline of the javascript code, it will not be caught...
I am currently building a slot machine with Javascript.So I have a question, if you hit the start button continuously, the reel will spin faster.I want to keep the rotational speed constant.Also, the ...
I would like to implement JavaScript chimes.I wanted to reduce the amount of code because of the large amount of code.//setInterval (String, mmS) 1000mms = 1ssetInterval (clock, 1000); // Reflect resu...
If jQuery has a specific class (.animate) in it, I would like to find a specific class (.slideFirst) in it and run the animation, but it doesn't work.The .animate class is not given from the beginning...
Let me ask you a few questions.If Unity uses place mapping, how is it implemented?I don't mind the outline of one example, but if anyone understands, could you please let me know?What I am particularl...
Hello, nice to meet you.We are currently creating an environment to start development with React.Installing webpack at npm depends on the version.I'd like to use the latest [email protected], When I try t...
This is a memo function that allows you to drag and drop smoothly by clicking on the black part of the memo, but when you press the save button, it sticks to the cursor (two clicks away).I want to fix...
I have tried the sample FileReader.readAsText(), but when I select the PNG image, the characters get garbled.What should I do to prevent garbled characters?What I want to do is to receive the PNG imag...
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