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
When you receive keystrokes in JavaScript on your browser's Edge, Is it just my imagination that the timing sometimes goes wrong?For the most obvious example, press and hold the right side of the dire...
What code can I use to get the value of name when the check box is checked in html such as the following?Please let me know if you know more.<divid=size-category-tab-22 class=tab-plane> <div ...
I wanted to use the game pad to enter characters on MacOS, so I was creating a program.My language and environment is javascript/node.js/Electron, and my library is robot.js.The keyboard input emulati...
Developing web applications in Struts 1.3.Therefore, we are using html:button.The following JavaScript errors appear:TypeError: document.XxxForm.submit is not a functionThe jsp is described in <htm...
I use the Google Maps API javascript V3 to display the map on the web page with my own script.The maps and markers that are displayed by default are displayed without any problems, but if you drag and...
What I want to do is put a query string in get_ajax_text.php and communicate via get.I tried to make a test code, but I couldn't even communicate with get in the previous stage.Crying If you enter the...
Do you want to improve this question?Edit this post and update the question to focus on one issueClosed 3 years ago.Three years agoHow can I submit my deliverables?I mainly want to submit things like ...
We are developing the Django project using VisualStudio 2017.I can't debug the javascript that I'm using.Could you tell me how to enable javascript debugging?I debugged the javascript code with a brea...
We are currently creating a page that lists posts from users.I would like to set up a menu that contains options such as Edit and Delete in each of those posts.The menu opens and closes by clicking th...
obj.fn(x)What is the name of the function that changes the value of the argument x before and after calling?Ruby is obj.reverse!The one whose state of obj changes in is called a destructive method.It'...
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