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
[{ id: 1, name —hoge,}, { id: 2, name —hoge,}, { id : 3, name —Huga,}, { id: 4, name —piyo,}, { id —5, name —Huga,}, { id: 6, name —hoge,}]namefrom the above data in JavaScriptI'd like to find a dupli...
I would like to put the selected image on the newImg_boat tab with the code below, but I am having a hard time because it doesn't work.The code you are commenting out is the result of trying this and ...
The value of the property does not change to 5 in the code below:class TestClass { constructor(prop){ this.prop = prop; TestClass.validateProp(prop); // For example, prop must be an integer with a min...
It's just as the title says.I am looking for Plugin or JS where I can edit photos on cordova.The following image editing features are required:Please let me know if you know.Thank you for your coopera...
I am writing a web application that communicates with the server using JSON in Typescript.When serializing/decisualizing JSON, JSON does not include methods, so I thought of creating objects using dec...
It seems that the javascript of this program is not working Why is it not transparent?Please let me know m(__)m<html> <head> <meta http-equiv=Content-Type content=text/html; charset=sh...
I am trying to create a compilation environment for sass using gulp.I created various installations, gulpfile.js, and wrote a task in gulpfile.js, but this error does not compile well. events.js:160 b...
I am creating a Latex editor, and I am struggling to write files there, so I would like to ask you to teach me.I would like to post the text data you entered to the server in json format and write it ...
I am using a react-router.So, I have a question. I would like to take the same action (page transition) as when I click Link when I press the Enter key while focusing on TextField in DOM below. Is API...
I have to revise the HTML written by people urgently, but I don't know the specifications or the technical background.I don't think it's the way I was praised at this point, but I'd like to go through...
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