Mocka - Simple, elegant content placeholderIntroduction The mocka placeholder is a very simple content placeholder that you can use for your website or web application, while loading your page's content. It weighs very little (about 500 bytes minified and gzipped), is fully customizable and you can easily include it in your project's CSS file, by using the Sass mixin provided. Alternatively, you can copy its code and inline it in your HTML
GitHub - tsuyoshiwada/react-md-spinner
Storybook
モダンなプログレスバーを表示できるJSライブラリ「nanobar.js」:phpspot開発日誌
