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 the iframe tag, specify an angular expression with a YouTube video ID.I'd like to play a video, is it possible?Currently, I didn't know how to specify the video ID directly, so I have no choice but...
HTML can be found as follows: <div class=td> <i class=fa fa-hoge></i> <div class=piyo> <span class=name>Tanaka Tanaka</span> <div class=radio> <div class=r...
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I am trying to get the Json type data put during node+express from req.body and output the log.JSON.stringify (req.body) So how do we stop __prot__ from being deleted or included in the data?
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The Monaca app reads CSV files and creates a program that displays data.I can't read the CSV file when I try to search.Enter string → List search results in partial search.After that, I'm thinking of ...
This question appears to be outside the scope defined in Help Center for stack overflow.Closed 5 years ago.5 years agoThis is a basic question, but please let me know.Consider the function checkAttr()...
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