Description 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.

JavaScript has three kind of popup boxes: Alert box, Confirm box, and Prompt box. An alert box is often used if you want to make sure information comes through to the user. When an alert box …

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 …

In JavaScript, global functions can be accessed using the window object like window.alert(), window.confirm(), window.prompt(). The alert() function displays a message to the user to display some information to users. This alert box will have the OK button to close the alert box.

Aug 3, 2021 · Unlike VBScript, JavaScript requires parentheses around function calls. Therefore, you need to write alert("Hello!"); It's also preferable (but not required) to end every statement …

Aug 22, 2024 · The alert () method in HTML and JavaScript is used to display an alert box with a specified message. The alert box includes an OK button and is typically used to ensure that the user receives critical information or confirmation before proceeding.

Nov 23, 2023 · In this article, we will learn how to use the alert () method in JavaScript. The alert () method is used to show an alert box on the browser window with some message or warning.

Feb 7, 2025 · The window.alert() method is a simple yet functional tool for displaying alert boxes in JavaScript. While it has limitations compared to modern alternatives, it remains a useful option for quick debugging, simple notifications, and basic form validation.

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)

The alert () method displays an alert box with a specified message and an OK button. An alert box is often used if you want to make sure information comes through to the user.