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 looking for a JavaScript library that can realize the user interface like the attached image.Does anyone know of a library that can easily represent a file or folder tree?
Hello, I'm confused about the For Moon. Currently, we are implementing a table using json data.let monthPrint = [ { { SelectedDate: '2022-12-01' }, { { SelectedDate: '2022-12-02' }, /* ... */ { { Sele...
I'm solving HTML and Javascript practice questions for beginners.Have the user enter three numbers and create a web page that automatically multiplies them.(Use HTML form instead of Javascript alert o...
I'm solving HTML and Javascript practice questions for beginners.Have the user enter three numbers and create a web page that automatically multiplies them.(Use HTML form instead of Javascript alert o...
I'm solving HTML and Javascript practice questions for beginners.Have the user enter three numbers and create a web page that automatically multiplies them.(Use HTML form instead of Javascript alert o...
I'm solving HTML and Javascript practice questions for beginners.Have the user enter three numbers and create a web page that automatically multiplies them.(Use HTML form instead of Javascript alert o...
I found an example of a program online that stores array_1 one-dimensional arrays as two-dimensional arrays in array_2.Source: Convert a one-dimensional array to a two-dimensional arrayRegarding the f...
<table><tr><td>AAA</td></tr><tr><td>BBB</td></tr></table>If there is HTML, In jQuery$(*:contains('AAA')).addClass('hoge');In that case, clas...
As for the data of the array of fall kick patterns when rotating in the production of the Tetris game, I would like to use const, but I would like to use // comment section as a reference site, but it...
I am currently studying Javascript using Nodejs.I would like to store the values obtained by executing the query statement in an array, but it will become asynchronous, so it will not store data after...
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