Join urls or system paths, even with undefined values
npm install join-pathJoin urls or system paths, even with undefined values.
``
npm install join-path --save
`js
var join = require('join-path');
// OUTPUTS: some/path/for/testing
join('some', 'path', '/for/', undefined, '/testing');
// OUTPUTS: http://test.com/aboutus/projects
join('http://test.com', '/aboutus', 'projects');
`
`
npm install
npm test