introduce

observer.js

what is the observer.js?

observer.js is the JS utility , use the MVVM pattern to implement it, so could easy the front-end development.

where does the idea come from?

the idea come from the knockout.js

why do I create it, when kockout.js already exist, and even more power?

just for learning.

what's the status of the observer.js?

currently , just implement the data-binding for text, value, and simple event. the observer feature will add in the next version