Chakra (JScript engine)

This article is about the engine of Internet Explorer. For the engine of Microsoft Edge Legacy, see Chakra (JavaScript engine). For other uses, see Chakra (disambiguation).
Chakra
Developer(s)Microsoft
Initial release2009; 15 years ago (2009)
Written inC++
Operating systemMicrosoft Windows
TypeJScript engine
LicenseProprietary

Chakra is a proprietary JScript engine developed by Microsoft. It is used in the Internet Explorer web browser.

Microsoft later developed a new JavaScript engine for its Microsoft Edge browser, which is confusingly also called Chakra. Microsoft Edge switched to the V8 JavaScript engine in 2020.