C:\>cscript //NoLogo jsrepl.js
>>> 1+2;
3
>>> var x;
>>> x = 'foobar';
'foobar'
>>> x + 'baz';
'foobarbaz'
>>> if (x == 'foobar') {
...     print('Was equal');
... };;
Was equal
>>> function printstuff() {
...     print('Line one');
...     print('Line two');
... }
... ;
>>> printstuff();
Line one
Line two
undefined

>>>