tree a1311da4a82e0a8b40b97a5c2b313fb4f8a10312
parent b7e6e67a8a2ecd5475b14d43cf34761acfa6a5d9
author lishutong <lishutong@google.com> 1625172968 +0000
committer lishutong <lishutong@google.com> 1625173987 +0000

Add some comments for a consistent javascript style.

Follow the requirement of:
https://google.github.io/styleguide/jsguide.html#jsdoc-top-file-level-comments

Test: Mannual tested.
Change-Id: I697879384f64120a0effda00e70ec1b20260746b