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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.
An alert box is often used if you want to make sure information comes through to the user. When an alert box pops up, the user will have to click "OK" to proceed. Syntax. window.alert (" sometext "); The window.alert() method can be written without the window prefix. Example. alert ("I am an alert box!"); Try it Yourself » Confirm Box.
Nov 23, 2023 · In JavaScript, you can use the alert() function to display an alert box with a message to the user. The alert box typically contains a message and an OK button, allowing the user to acknowledge the message.
JavaScript alert () The alert () method in JavaScript is used to display a virtual alert box. It is mostly used to give a warning message to the users. It displays an alert dialog box that consists of some specified message (which is optional) and an OK button.
Alerts. 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!
JavaScript provides built-in global functions to display popup message boxes for different purposes. alert (message): Display a popup box with the specified message with the OK button. confirm (message): Display a popup box with the specified message with OK and Cancel buttons.
In this tutorial, you will learn how to display an alert system dialog by using the JavaScript alert() method.
Oct 4, 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.
Feb 8, 2024 · The JavaScript alert() function is a function available on the global window object. It commands the browser to display a modal dialog with a message and an “OK” button. Here’s a basic example of usage: alert( "Hello world!" ); // Which is quivalent to: window .alert( "Hello world" ); Code language: JavaScript (javascript)
Jan 25, 2020 · There are three different kinds of popup methods used in JavaScript: window.alert(), window.confirm() and window.prompt(). Alert The alert method displays messages that don’t require the user to enter a response.
