Pop-Up Interaction
Explore JavaScript pop-up dialogs to create basic user interactions. Learn how to display messages, collect user input, and confirm actions with alert, prompt, and confirm boxes. This lesson helps you understand how to use these dialogs to store user responses in variables and personalize outputs.
We'll cover the following...
We'll cover the following...
JavaScript provides three different types of pop-up dialog boxes that provide some simplistic interaction between the browser and the user.
Alert box
An alert box can be used to display a message. The user has to click a button to remove it. Here’s an example that will display the message “Hello” in a dialog box:
We can also use alert() to display the value of a variable: