Programming Tips - Is there javaScript for command-line Linux?

Date: 2012feb23 OS: Linux Language: javaScript Keywords: test, check, syntax Q. Is there javaScript for command-line Linux? A. Yes. To install on RedHat/Fedora/CentOS:
dnf install js
To use, put some javaScript code in a file (eg myfile.js) and run:
js myfile.js
I find this very handy. You can check the syntax of code that you might use on a website. For more info: https://developer.mozilla.org/en/SpiderMonkey