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'd like to use GAS to get the last row or last column with spreadsheet data.Previously, the data up to the last line with the spreadsheet data was obtained with the following code, but the number of ...
I created the following site on GitHub Pages.https://imaimai17468.github.io/Products/CreditsCounterforKNCT/Here is the repository.https://github.com/imaimai17468/imaimai17468.github.io/tree/b6a86cc89b...
I am trying to paste the image into the box with three.js in JaveScript, but the image does not stick and only the box is drawn.<script src=three.min.js></script>abbreviationvar renderer =...
I did it by embedding javascript into html.I put the html and javascript statements together.But it doesn't work.I wonder why.Below is the source.<script type=text/javascript>/ Regional Select B...
I am using php (to use MySQL) on an external server for Ajax communication in Monaca.I would like to use php to display the contents of the database.I have done Ajax communication and received it via ...
When making timers with js, I think it is common to make them with recursive calls as shown below.I doubt that this will work.function timers(){ timerId = setTimeout(function(){ // Processing timer...
I'm making the following code, but the Erase part doesn't work.<form method=post name=insert action=enctype=multipart/form-data> <ul> <li><input type=text placeholder=Title name=...
We are currently working on an animation to make fallen leaves fall using the website below.I tried to make cherry blossoms fall in Canvas|Oto Co., Ltd.|Staff BlogI learned from the example on this si...
I am viewing the text data sent in the server method in the Android web view.How do I retrieve this data from the webview by textual data?I tried the code below, but the value is null.public class Mai...
ProblemsI'm running a simple app on vue.js, but the timing of calling localStorage is not good.Error pointsI think I'm calling localStorage with the code below, but the data disappears. mounted:functi...
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