In this chapter, we will cover the following recipes:

• Creating your first JavaScript function
• Wiring your event programmatically
• Writing reusable JavaScript functions
• Querying 365 data using the Web API endpoint
• Querying the 365 metadata services
• Building a custom UI using AngularJS
• Debugging your JavaScript with Edge
• Debugging your JavaScript with Chrome
• Unit testing your JavaScript
• Customizing the Ribbon