Mozilla is prototyping a feature called "WebReplay" to support reverse-debugging of JavaScript and DOM mutation: https://developer.mozilla.org/en-US/docs/Mozil

Mozilla is prototyping a feature called "WebReplay" to support reverse-debugging of JavaScript and DOM mutation: https://developer.mozilla.org/en-US/docs/Mozilla/Projects/WebReplay https://developer.mozilla.org/en-US/docs/Mozilla/Projects/We... https://bugzilla.mozilla.org/show_bug.cgi?id=1207696 https://bugzilla.mozilla.org/show_bug.cgi?id=1207696 It looks like Microsoft is implementing a similar time-travel feature in Chakra: https://github.com/Microsoft/ChakraCore/commits/TimeTravelDebugging https://github.com/Microsoft/ChakraCore/commits/TimeTravelDe...