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 am currently using javascript and HTML to create certain functions, but there was an error in the definition of the object during the production process, so I cannot get out of it.Please tell me how...
Prerequisites/What you want to achieveI am looking for a library of share buttons for Facebook, Twitter, and Line.By adding one library, I would like to be able to get the URL of the article and pass ...
Thank you for your help.<div><canvas id=c1><canvas id=c2></div>Overlap the canvas elements as described above and draw the background image on c1 Would it be possible to instal...
There is a list of strings, and there is a site that has the ability to type and search from the input box to query and filter the list.I found an example of how it was made simple using knockout.js, ...
I am writing a file server in Deno, but how can I add a custom 404 page?
In order to slow down the speed of scrolling, I set the following:It was done during FF and IE, but if you look at it on GC, it will rattle when you scroll below.Are there any mistakes in the descript...
I'm trying to calculate the date and time. Codepen shows the results in the log without any problems, but If you try monaca, it will be null.It was not possible to specify the date and time directly f...
Excuse me.It is being developed by Jquery, Bootstrap, and Java.I have installed a select box in the datables this time, but I don't know how to put the data in.If you understand, please let me know.Co...
Thank you for your help.Thank you for your cooperation.I'm thinking of making a daily exercise record with Monaca.http://docs.monaca.mobi/cur/ja/sampleapp/samples/todo/Created new and loaded TODO list...
I have implemented it by referring to the site (http://qiita.com/YuitoSato/items/94913d6a349a530b2ea2), but there are two things I don't understand.I look forward to hearing from you.As for the curren...
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