Подключаем файлы popup.js и popup.css размещаем блок всплывающего окна, лучше в конце страницы. Скрывать дополнительно не надо, для его класса ...
JavaScript is a programming language used both on the client-side and server-side that allows you to make web pages interactive. Javascript provides features such as popup boxes to display a message ...
Javascript is the programming language that dictates the browser alert popup function. Browser alert popups are in-browser notifications that convey messages to the user. The best way to customize the ...
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