Convert custom JavaScript button in lightning - Salesforce Stack Exchange
jquery - Custom "confirm" dialog in JavaScript? - Stack Overflow
GitHub - codephi/custom-alert: Override the alert () and confirm () functions of JavaScript, allowing you to customize them. This application does not use jQuery or another framework, just JavaScript and CSS. Responsive
javascript - How to create a dialog with “Ok” and “Cancel” options - Stack Overflow
Make Your JavaScript Alerts and Confirmation Boxes More Fancier In 10 Minutes