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
Find the range bounded by () from the string passed by the argument str and return the string for that part.() returns empty characters if the contents are empty.() returns the contents of the first p...
We are creating a site using html.Place multiple check boxes in the table of the application form on the pageI would like to be able to select all for each item, but Currently, all check boxes for all...
I would like to fetch the contents of a specific selector by fetching the web page.However, if you execute the code below, domTarget is null.How can I get the contents of the selector? document.addEve...
Problem with api side receiving response but not returning it to vue wellvue<template> <div class=register-wrap> <h1class=title>Membership </h1> <[email protected] event=regist...
There's a CPU-bound for loop, so I'd like to add something like a progress indication thereEven if you insert DOM operations in the middle, the display will not be updated until all of them are finish...
I'm going to use GAS to create a program that will keep an eye on blog updates and notify you.https://web.plus-idea.net/2018/04/google-apps-script-xmlservice-parse/I was able to retrieve the contents ...
When I tried to execute the following code on the browser console, it was recognized separated by - and the code could not be executed successfully.I'd like to know how to deal with it, but could you ...
I'm an inexperienced student, but I'd like to study programming languages PHP and JavaScript on my own.I heard that programming languages change in a few years.If it is a book, how many years or later...
Hello, I'm Corinne who is making a simple lottery program.The principle of operation is that you get six random digits of the winning number in lotto.html, and if you press the lottery purchase button...
I'm creating a regular expression under a four-digit comma-separated condition, but if I match more than one, I'd like to know how to create a four-digit comma-separated expression that becomes False ...
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