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
As shown below, I try to focus on the center with slideTo when I click on the swiper, but it breaks when I go to the beginning or end.It seems that the elements are cloned when a mouse drag or touchEv...
I'd like to drag and drop the web link into UWP's WebView to display the web page.I implemented it with the following code, but the first time I succeeded, but after the web page appears, I will no lo...
The following is written on the page below, but how do you treat .prototype={} in general?·According to the specifications, it is permitted but should not be used ·Never use·According to the rules ·Yo...
I'm blogging in Next.js.If I write Github's personal access token directly in the code, I have trouble giving the code to Github, so I try to write the access token I don't want to post in an external...
Retrieved from Cordova (Ver.5.2.0) via cordova-plugin-cameraI would like to get the image/jpeg EXIF information.When I googled, I found cordova-exif, loaded JS, and The implementation is as follows.na...
<div class=article_content></div><div class=article_content></div><div class=article_content></div><div class=article_content></div>If there is an html ...
I was going to create an alarm application with monaca, but it didn't support background operation.Is it possible to use the original cordova?Also, which of the following specifications can you create...
I am a beginner in JavaScript.If there is a code like the one below, I would like to know why the value of vard is a function.functionouter(X,Y){ vara = 1; var inner=function(b){ varc = X + Y; retur...
Is there a way to change the MUI DatePicker language to Japanese?When I wrote a code similar to the one below, I got the error TypeError: Cannot read properties of undefined (reading 'date') in my bro...
To everyone with knowledgeI posted it yesterday, but I thought it might be a misleading question, so I will post it again.We are currently receiving a request and consultation from a certain customer ...
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