Popup Boxes in JavaScript

You can easily create Popup Boxes using JavaScript. Many developers and designers use them to interact with the user in three different ways:

1. Alert Box

2. Prompt Box

3. Confirm Box

Before starting with the above shown Popup Boxes, run some programs in JavaScript using the following links:

• Run First Program in JavaScript
• Multiplication using JavaScript 

Alert Box

It can be displayed using alert() function. In this user have to click "OK" to proceed.

Syntax: window.alert("message");

Example: alert("This is an alert box");

Alert Box

Prompt Box 

It is used to get data from user. It has a "OK" and "Cancel Button". Can be displayed using prompt() function.

Syntax: window.prompt("message","the DefaultText");

Example: prompt("Enter your website name","website");

Prompt Box

Confirm Box 

This box is used to Verify and Accept something which means to let users make any choice. It can be displayed using confirm() function.

 

Syntax: window.confirm("message");

Example: confirm("This is techterabyte.com, Click Ok or Cancel!");

Confirm Box

Note: Running the above on Linux Ubuntu 13.10, so the GUI may differ in other Operating Systems.