BootstrapのサンプルのコードにCamelCaseとsnake_caseが混在する理由 Bootstrap Modal < <!-- Button trigger modal --> <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal"> Launch demo modal </button> <!-- Modal --> <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"> <div class="modal-dialog" role="document"> `id` `data-*` `aria-labelledby`…

HTML4 `id` ID class HTML5CSS

HTML4.01 HTML5 id - Neareal



Javascript id class camelcase

Bootstrap Bootstrap

camelCase for ids and hyphens for class names · Issue #17417 · twbs/bootstrap

`data-target` `aria-labelledby` camelCase `id` `id`