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
This is my first time posting.We develop simple games with JavaScript.The challenge now is to disable the key when the player hits the enemy so that it cannot be operated.Currently, even if the player...
Thank you for your help.If you click on the marker you want to display in the leaflet, a pop-up will be displayed.This marker is drawn in canvas and You can change the size dynamically.If you change t...
Are there any differences other than the following?·Easy server-side rendering·Vue-router and vuex settings are easy
I'd like to make a page transition between the HTMLs that appear in the public folder with the gatsby build command.When operating locally, the link becomes a relative path like file://pandas-and-bana...
The description of the time is obviously strange, but I don't know how to cure it.function myFunction(){ let year = new Date().getFullYear(); const startDate = new Date(2020/4/1 12:00); console.log(st...
Regarding the part enclosed in red, what should I do to print it out in text?I think it's longer than the OR and OR symbols.
Hello, I'm starting to learn JavaScript.I started learning on the online learning site, but the lessons were divided between ES6 and ES5.If you want to learn from now on, do you only need to learn ES6...
How do I save localStorageI'm making a todo list.<divid=today class=tab-plane active> <p>What to do today</p> <div class=task-wrapper> <span style=white-space:nowra...
Thank you very much for your help.I have the following html file, and I would like to conditionally branch the inclusion1.js or inclusion2.js above according to the contents of the p_id value obtained...
How can I call the variable dialog in the javascript part of the jsp file below from another jsp?vardialog=Liferay.Util.Window.getWindow( { Dialog: { align: { node —null, points: ['tc', 'tc' ] ...
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