Extra Bundle Required

jQuery UJS is included in Hitman rails bundle.

Full documentation available at: https://github.com/rails/jquery-ujs/wiki/Unobtrusive-scripting-support-for-jQuery

data-confirm

<button data-confirm="Did you just click me?!" class="btn btn-primary">Click me, even if you're not sure</button>

data-disable-with

<button type="submit" data-disable-with="Saving.." class="btn btn-primary">Save Changes</button>