confirm() Function

The confirm() function shows a message box that optionally includes message text, and has OK and Cancel buttons.

Syntax

confirm()
confirm(message)

Parameters

• message is an optional string to display in the message box.

Return value

A boolean value:

• true if the OK button was pressed
• false if the Cancel button was pressed

Example

> confirm()
true
> confirm("Can I borrow $5?")
true

References

• confirm() function at MDN