Javascript is usually a client side script embedded in a browser. However, javascript can also be run from the command line through node.js.

node.js can be installed on many types of Linux/Unix machines, as well as computers running windows. For questions such as installation, build, development etc please check here. Here we will use windows system as an example.

var i=8;
var j=10;
var x=i+j;
console.log(x);

To run a javascript file such as test.js, just type node test.js at the command line:



Please note there is no semicolon (;) at the end of the command.