Best JS for Single-Page Applications
AngularJS the framework is the best option available currently for Single Page Applications. AngularJS helps you make single-page applications like Gmail, where there is no waiting period for page reloads.In short a fast and sleek application for your product or service.
Apt for Test-first approach
As most developers believe a test-driven development ensure zero error at the time of deployment. At any point in time during the development, or if you trust in the test-first approach AngularJS is the correct choice.