Alert box type: alert, confirm or prompt: alert: title: Main heading: subtitle: Displayed below main heading: text: Message to display in body section. string or #elementId. You can provide id of an ...

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 ...

If you try and create a variable with the same name as one that exists, you will see the Blockly alert dialog. It currently doesn't have an OK button and the only way to clear it is to tap on the ...