Process terminates with error: Parser is undefined

[Johnson Liang]

Steps to reproduce

1. visit https://yjlou.github.io/2019-nCov/?hl=zh-TW#
2. go to step 3 and choose any XML from google
3. open Devtool console
4. click next to go to step 4

Expected

Processed result

Actual

Process silently stopped and error is emitted in Devtool console.

[yjlou]

Thanks for the report. Fixed in c521e54