In JavaScript, the alert function is used to display a pop-up window with a message to the user. The prompt function is similar to alert, but it also includes a text input field where the user can enter a response. The confirm function is also similar to alert, but it includes a OK and Cancel button for the user to confirm or cancel an action.
Here’s an example of how to use each of these functions:
// Display an alert with a message
alert("This is an alert");
// Display a prompt with a message and a text input field
var response = prompt("Enter your name:");
// Display a confirm with a message and OK/Cancel buttons
var confirmed = confirm("Are you sure you want to do this?");
The alert function will display a pop-up window with the specified message and an OK button. The prompt function will also display a pop-up window with the specified message and a text input field, and it will return the value entered by the user as a string. The confirm function will display a pop-up window with the specified message and OK and Cancel buttons, and it will return a boolean value of true if the user clicks OK, or false if the user clicks Cancel.
It’s important to note that these functions are blocking, meaning that they will pause the execution of the script until the user interacts with the pop-up window. This can be useful in certain situations, but it can also be annoying to users if overused.
You can find the complete JavaScript Tutorials here.
Follow us on Facebook, YouTube, Instagram, and Twitter for more exciting content and the latest updates.
