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
I'm scraping the website using ruby, and there were the following parts in the target page:<script>function tableCell(str){ document.write('<td class=cell-text>'); document.write(str); doc...
I wrapped the existing JS library in the native module to use it from the Elm app.However, I will moss with the last elm-make # Command to test the single compilation.# Actually, it is set up to compi...
Starting this week (after iOS Monaca debugger (3.2.0), the viewport will not work and the screen will be quadrupled.Of course, Enable Viewport Control is checked in the iOS app, and monaca.viewport({w...
Developing web applications in Struts 1.3.So there's something I want to do.Here's what I want to do:1. Use the select box on the form screen (JSP) to display the value from DB.Example ▽ 0001 AAA 0...
The Google Map API calculates the address backwards from latitude and longitude.I can do one without any problems, but I want to process a large amount of data in bulk, so Attempting to repeat in arra...
Thank you for your continuous support.We are currently creating an RSS application using the URL below.■Reference URLhttp://news.7zz.jp/ajax/2447.htmlAbout the 118th line code in the site If I try to ...
We are currently developing with rails 5.06, and we have placed the necessary files for datetimepicker under assembets/javascript and assembets/css, and read them in application.html.haml as follows:&...
For now I know szarouski/lodash.dom-traverse.I would appreciate it if it was provided in npm.A replacement has been found for the following features of jQuery:Generate DOM: hyperscript/virtual-hypersc...
From the Japanese address, we use the Google map API to create a code that displays multiple markers on the map.Multiple addresses are processed with Geocode using the for statement.Also, the Geocode ...
I automatically update the web page using meta_refresh in html. Is there any way to eliminate the update space?I came up with a way to do something with asynchronous communication, but I'm having a ha...
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