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
In javascript, I would like to get a regular expression of the sentence ending with . in the part that is not surrounded by to from the text below. Ayeo[AIUEO。kakikukeko。]Hi, everyone.goodbye。helloThe...
There is a page that displays large svg images on the website you are currently creating.(Inline svg embedded in html.)Is it possible to create objects (e.g., list boxes, combo boxes, etc.) for Window...
I'm a beginner in programming.The program is not working properly.I tried to find out what the problem was and fix it, but it didn't work.JavaScript ifStop doesn't seem to work.CSS doesn't seem to be ...
Probably https://devnet.jetbrains.com/message/5526866John Hunter's when I start debugging, no breakpoints are ever hit (it does open up the page in Chrome and I get the message' 'JetBrains IDE Support...
anglerJS v1.5.8 ■ QuestionsLearn how to validate input values■What you want to doAvoid mixing half-width numbers in a string Show error message if mixed■ Current HTML <input required class=form-con...
I am developing a notepad app at Monaca.I am building on a notepad template like the one below, but I would like to place a check box at the beginning of each item in the notepad list that means confi...
I'm developing it at Ruby on Rails.The view is created with a slim, and I am thinking of applying the design of the AdminLTE table.Among them is a javascript code for paging, etc. It doesn't work.The ...
I am currently creating apps with monaca and niftymbaas.As for the content, the sliding menu was adopted, and when I got the new data from niftymbaas, I asked a question because I wanted to display th...
I have a question about javascript.<!DOCTYPE html><html lang=ja><head><title>java Script</title><metacharset=utf-8></head><style>body{display:flex;flex-...
Windows 10(64)vue: ^2.6.10, vuetify: ^2.1.0, vue-cli: 3.11.0, node:v11.13.0About 4 months of programming experienceI am creating a todo app with vuetify+vue-cli.URLAfter registering more than one clas...
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