Comparing the Different Types of Native JavaScript Popups

JavaScript has a variety of built-in popup APIs that display special UI for user interaction. Famously:

alert("Hello, World!");

The UI for this varies from browser to browser, but generally youll see a little window pop up front and center in a very show-stopping way that contains the message you just passed. Heres Firefox and Chrome:

Native popups in Firefox (left) and Chrome (right). Note the additional UI preventing additional dialogs in Firefox from triggering it more than once. You can… Read article

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