Pialog boxes in javascript Assignment Help
Dialog boxes
- Alert Dialog box
- Confirmation dialog boxes
- Prompt dialog boxes
13.1 Alert Dialog box
It alerts user when something goes wrong in web pages. It is used for validation purpose whether the user supplies valid input to all required fields.
Syntax
alert(“message”);
alert is a keyword to display alert dialog box.
Example:
13.2 Confirmation Dialog Box
This dialog boxes are used to get approval from the user. It has two buttons such as OK and cancel. Ok indicates the Boolean value true or ‘1’ , cancel indicates the Boolean value false or ‘0’.
Syntax:
confirm(“message”);
Example program:
13.3 Prompt Dialog box
Prompt dialog boxes are used retrieve response from the end user. The prompt dialog bix consists the given text, text box to feed input, two buttons ok and cancel.
Syntax:
prompt(“Message to be appear on the prompt dialog box”);
Example code
Output
