Write the program window alert methods in java script

Write the program window alert methods in java script

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 alert() method displays an alert box with a specified message and an OK button. An alert box is often used if you want to make sure information comes through to the user. JavaScript has three kind of popup boxes: Alert box, Confirm box, and Prompt box. Alert Box