04.Wide range of usage.
05.Lots of sources to learn.
06.It’s the only language to work in the browsers.
07.It’s used for powerful web applications (Gmail,Twitter, and Facebook).
08.It can be used to build mobile applications.
09.It can create scripts to automate your day to day workflow.
• Full integration with HTML/CSS.
• Simple things are done simply.
• Supported by all major browsers and enabled by default.
But with Node.js javascipt can run outside of browsers .