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
Currently, I am thinking of writing a test using a combination of gulp+babel+mocha.The production code is located under the root/src/modules directory.I would like to place the test code under root/te...
I want to invoke the variables defined in the preload from the Electron renderer process.The Electron version is v19.0.4.We have created the following code according to the
I'm a beginner at javascript, but We create a web application by combining sample codes.I have a question about loading files.In html<input type=file class=input_02_file multiple/>and in .jsvar ...
Monaca is developing a hybrid app that supports both Android and IOS.When I press the link, I want to pass the coordinates of the current location and destination so that the Google Maps installed can...
I would like to create the following process.1. I don't know how to deliver javascript variables to the controller, so could you tell me how to do it and how to code it?Ruby 2.6.3Rails 6.0.3Thank you ...
While doing the React.js tutorial (https://facebook.github.io/react/docs/tutorial.html), I got the following code://tutorial13.jsvarCommentBox=React.createClass({ getInitialState: function(){ return {...
What you want to achieveI want the shop ID to be included in the array and displayed in the string \A/shop/${shopId*array0}/$|\A/shop/${shopId*array1}/$|\A/shop/${shopId*array0}/$...const shopId=[263,...
<!DOCTYPE html><html lang=ja><head> <metacharset=UTF-8/> <title>tekisutogataRPG</title><style>.cell {width:80px; height —80px; background-color:skyblue; font-...
No matter what site I look at, I only load files using inputIs it possible to load text files on the same server when loading?Assume Javascript running on the server side
This site (http://play-in-hell.com/) displays from the bottom when the page transitions.How do I display the top page from this location?What I want to do is to make sure that there is an image on the...
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