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
It will be angular version 4.4.4, but this.tableInfo.dataList=[...this.tableInfo.dataList]Finding these logic, this.tableInfo.dataList becomes an array of classes.I enclose [...XXX] for this element, ...
If I concatenate about 30 js files and unify the js files, how do I implement the routing process on the client side?Currently, we use page.js to determine the URL and run it.I am considering whether ...
I would like to randomly display the characters entered by the user.For example, if you type Fish, Ni, and Rice, I would like to create a script that randomly changes the order, such as Ni-go-han-san-...
I was told that in order to treat a one-dimensional array as a two-dimensional array, it is a width × row position + column position, but I am not sure.Here's the code.var SIDE_CELLS=5;// Widthvar COL...
I'm customizing the map using the Google Map API.I was able to display multiple markers and change the type of markers, but I cannot display or hide the marker at Zoom Level.For example Hide when zoom...
I am using Google apps script.I am logging in to a site.
IE works fine and displays images.However, if you use a non-IE browser (Firefox, Safari), it stops at the 止まりrequest.responseType=rarraybuffer; ; section, and the rest of the sentence does not work.If...
It's a simple question, but it doesn't work, so I'd like to ask you a question.For example When the height of the window is 1000px<div data-1000=a>When the height of the window is 500px<div d...
I am creating an Angular-based web application, and when I received a security diagnostic service, I was pointed out to be vulnerable to JavaScript being interpreted and executed by giving ?'>alert...
I want to change the alert modal text that appears when I try to access the camera roll, but I can't.Triedexpo:{name: Study abroad compass.,icon: ./images/CompassPioneering-02.png,version: 1.0.2,slug:...
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