change `javascript:false` to `javascript:void(0)`
change `javascript:false` to `javascript:void(0)`

- http://meme.efcl.info/2011/05/javascriptvoidvoid.html
- http://www.koikikukan.com/archives/2015/03/11-002222.php

rutan/potmum,rutan/potmum,rutan/potmum