> <!-- > Thank you for reporting a possible bug in ECMA-262. > > If this is a bug with a specific implementation of ECMA-262, such as > a JavaScript engine or a browser, please report it on their bug tracker > instead. > > eshost is a tool to run the same code on many JS engines > to compare the output. > > To set up eshost: > > 1. $ npm i -g eshost-cli jsvu > 2. $ jsvu > 3. $ eshost --configure-jsvu > > Running eshost: > > Use `-x` to evaluate multiple statements: > $ eshost -s -x "const a = 1 + 1; print(a);" > > Or `-e` to evaluate a single expression: > $ eshost -s -e "1 + 1" > > Paste the output of eshost into the box below. > --> > > **Description:** Adding 1 and 1 is two, but it should be... > > **eshost Output:** > > ``` > $ eshost -s -e "1 + 1" > #### Chakra, JavaScriptCore, SpiderMonkey, V8, XS > 2 > ``` > _Originally posted by @binhle113 in https://github.com/tc39/ecma262/issues/3659#issuecomment-3109487031_
Originally posted by @binhle113 in tc39/ecma262#3659 (comment)