1. 30 minutes recruiter's phone call, introduce the team and their project. 2. Code exercise, they said take few hours, but to tune it, write document and test cases, at least spend 8 hours. 3. Submit the code and get a phone call after 4 days, they said your code exercise use a library(the library can not be downloaded from npm nor from bower), but not make a comment to indicate that the function is not achieved by yourself, therefore I do not pass.