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
The JavaScript library Galleria implements an image gallery.Fatal error: Could not extract a stage height from the CSS. Traced height:0px.The error appears.#galleria{ height —500px;}As shown in , heig...
I use the following code, which is often used when loading dynamically in javascripts, but I am having trouble with mounting on riot.js. I can't even try the update or callback execution position.The ...
For example, when you do horizontal animation, which one is faster?Animation using the transition propertyanimation with transform:translate3D and so on in requestAnimationFrameSpeed = I would like to...
in enchant.jsIf you draw a line with touch, the object moves over it, I would like to realize thatYou can succeed with just one finger, but If you have more than one finger, they are all recognized as...
To create an array with values from 3 to 6, Ruby can do the following:irb(main): 001:0> [*3..6]=> [3,4,5,6]How can I do this with JS?
https://developer.mozilla.org/ja/docs/Web/HTTP/Headers/Clear-Site-DataClear-Site-DataI'd like to place a button to delete the cache.The header may be incorrectly specified, but it does not work.How do...
I would like to obtain (scrap) the total number of people infected with corona in each city (Yokohama City, Yamakita Town, etc.) from this corona information.https://www.pref.kanagawa.jp/docs/ga4/covi...
Thank you for your help.Windows, VisualStudio 2015 ASP.NET (VisualBasic), .NET Framework 4.6, Local IIS, browsers are developed in Google Chrome, IE, and .Put text (TextBox in ASP.NET, named txtTest) ...
I want to solve the problem I'm experiencing in order to display content according to the value of the slug.If you go to index.vue (=localhost:3000) and click the /contents/abcde link, the content wil...
I would like to automatically dump the contents of the web app's ajax communication to a local file.If tcpdump dumps a packet from the source into a file, it may not be impossible, but I have to separ...
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