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
I would like to create an algorithm in javascript that can be regressed with any graph, such as scipy.optimize.curve_fit.The library I found is at the following URL:https://www.npmjs.com/package/regre...
I don't know the typical directory configuration for developing Rails and Frontend in one repository.For example, in the case of Rails API+Next.js, I think the following options are available.What is ...
For learning, I am creating a chess application that works with a browser using React+Typescript.The movement of a piece was able to move as I expected, but the method I made when I tried to implement...
manifest_version: 3,content_scripts:[ { matches: [ https://www.test.com/* ], js: [ test-1.js ] }, { matches: [ https://www.test.com/* ], js: [ test-2.js ] } ],For example, if you c...
environmentClient OS: Windows 10 Pro (1809)Browser IE11 QuestionAfter embedding JavaScript in an HTML file and using ActiveXObject to create a zip file with a password file with 7 zip from the followi...
I would like to start html from hta locally on the terminal, but I would like to control that the html cannot be started with duplex.I am thinking of the following plan, but could you give me some adv...
GoalScroll through the 74 to 87 lines of html and fade in when visible.·Our Service is down ·Image/black.png is up ·Development of engineers to promote image/educure01.jp DXFor businesses looking to e...
I am typing the official sample code of strip, but an error is printed.I am using a type annotation, but how should I guess the type here?Error Contents (parameter) paymentIntent: anyArgument of type'...
I am using the firebase module in nuxt.js.I wanted to extract data in the store that had the ID of artistIds in the target table, so I created the code below, but this.$fire.firestore.FieldPath became...
Use + to concatenate stringsconsole.log(Name is +name+)but not the template literal console.log(`name is ${name})`)Are the benefits of using only improved visibility?Whenever I do string concatenation...
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