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 pops up, the user will have to click "OK" to proceed. The window.alert() method can be written without the window prefix. alert ("I am an 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 …

Learn how to create alert messages with CSS. 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!

Dec 29, 2015 · In this tutorial, I will show you how to create simple alerts in JavaScript. I will also show you fancy style alerts of different types like confirm, prompt, etc. by using the third party JavaScript plug-ins. A simple alert can be created easily, as shown below: alert("This is a simple JavaScript alert!");

Oct 4, 2023 · Learn about the Window.alert () method, including its syntax, code examples, specifications, and browser compatibility.

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. We can use it as a message or as a warning for the user. Approach: To show an alert on the browser window, we make a button.

Mar 26, 2024 · An alert box is a built-in feature in JavaScript that displays a small window with a message to the user. It's primarily used for providing information to the user, displaying warnings, or prompting the user for confirmation. The below approaches can be used to create a custom alert box in JavaScript:

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.

May 30, 2024 · The alert() method in JavaScript displays an alert box with a message and an OK button. It's used when you want information to come through to the user, providing immediate notifications or prompts for user interaction during program execution.