What is "Dart", an open-source language developed by Google to replace java script?and how it works?

Question

I want to know more about Dart

Answer 1

No, it will not replace it. In fact, in a good period of time that will not happen. The problem is that browsers only offer support for JS, any other language does not have standard support in all browsers on the market, so to use it in production is a horrible idea.
On the other hand the current version of Dart requires Dartium (a fork of Chromium with the Dart virtual machine) to develop and that is not very practical. For the next version of the language it will no longer be necessary, because the language will be compiled to JS. Which means that even if your scripts are in Dart, in the end you'll still use JS.
In the future this may change with WebAssembly, but it is still an emerging technology, so although it is promising, it is not viable yet.

Answer 2

Javascript.

Answer 3

Dart is a general-purpose programming language originally developed by Google and later approved as a standard by Ecma (ECMA-408). It is used to build web, server and mobile applications, and for Internet of Things (IoT) devices. It is open-source software under a permissive free software license (modified BSD license).Dart is an object-oriented, class defined, single inheritance language[citation needed] using a C-style syntax that transcompiles optionally into JavaScript. It supports interfaces, mixins, abstract classes, reified generics, optional typing, and a sound type system.

Answer 4

for getting info about dart go to lessons or search in internet or go to w3school hope there u will learn more about that