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The alert() method displays an alert box with a message and an OK button. The alert() method is used when you want information to come through to the user.
- Try It Yourself
The W3Schools Tryit Editor allows you to test and edit...
- Js Popup Alert
The window.alert() method can be written without the window...
- Alerts
Alert messages can be used to notify the user about...
- Try It Yourself
The window.alert() method can be written without the window prefix. Example. alert ("I am an alert box!"); Try it Yourself » Confirm Box. A confirm box is often used if you want the user to verify or accept something. When a confirm box pops up, the user will have to click either "OK" or "Cancel" to proceed.
Po wywołaniu metody alert() zostaje wyświetlone okienko z komunikatem i przyciskiem OK. Po kliknięciu przycisku nie zostaje zwrócona żadna wartość, tak więc okno to nadaje się tylko do informowania użytkownika o pewnych zdarzeniach.
4 paź 2023 · window.alert() instructs the browser to display a dialog with an optional message, and to wait until the user dismisses the dialog. Under some conditions — for example, when the user switches tabs — the browser may not actually display a dialog, or may not wait for the user to dismiss the dialog.
Alert messages can be used to notify the user about something special: danger, success, information or warning. × Danger! Indicates a dangerous or potentially negative action. × Success! Indicates a successful or positive action. × Info! Indicates a neutral informative change or action. × Warning!
25 sty 2020 · How to Build a JavaScript Alert Box or Popup Window. Popup boxes (or dialog boxes) are modal windows used to notify or warn the user, or to get input from the user. Popup boxes prevent the user from accessing other aspects of a program until the popup is closed, so they should not be overused.
8 wrz 2020 · alert. This one we’ve seen already. It shows a message and waits for the user to press “OK”. For example: alert("Hello"); The mini-window with the message is called a modal window. The word “modal” means that the visitor can’t interact with the rest of the page, press other buttons, etc, until they have dealt with the window.
