How to create an alert dialog box in Java?
Alert dialog boxes can be created with alert () method. var message = “Hello World! Click OK to continue.”; alert (“This is another alert box.”); A confirm dialog box is used to ask for user confirmation over any matter. It has two buttons OK and CANCEL.
How to display the URL of the corresponding page using alert?
We have to click the given button to see the effect. In this example, there is an alert dialog box with a message and an OK button. Here, the alert box displays the URL of the corresponding page. The URL is defined by using the alert (location.hostname); statement.
How do I show an alert message on page load?
In some very specific cases, websites might want to show an alert message on page load. To do this all we need to do is fire the alert message on the section of our HTML. This way, the alert will be shown before loading any elements on the page. Your page content.