Please take a look of the following guides to develop front-end applications in JavaScript:

Your first-first-first read

• We write as one

Novice

• SeeCodeRun 101: Our project workflow
• ES6 Guidelines and Best Practices
• CSS Guidelines
• Building visualizations with D3.JS
• Unit testing with Jasmine

Initiated

• Building GUIs with Bootstrap
• The ACE code editor
• JLinQ

Proeficient

• Front-end Web Application with Aurelia
• Using Firebase for storing and retrieving data

God-tier

• JS Perfect Storm
• Esprima