Window.alert()

The window.alert() method is used to display output to the user.
It indicates that the added message in an alert box has the “OK” button.
The alert box forces the user to read the displayed message, and the user cannot access the web page until the alert box is closed.

Syntax:

Window.alert("parameter")

In the “Parameter”, pass the message you want to display in the added alert box.

Example:

<!DOCTYPE html>
<html>
<body>
<h1>Quipoin</h1>
<script>
window.alert("This is Quipoin.com");
</script>
</body>
</html>

Output:

Console.log()

console.log() method is used for outputting information to the browser's console.
It used for debugging purpose

Example:

<!DOCTYPE html>
<html>
<body>
   <h2>Activate Debugging</h2>
   <p>F12 on your keyboard will activate debugging.</p>
   <p>Then select "Console" in the debugger menu.</p>
   <p>Then click Run again.</p>
   <script>
      console.log(5 + 6);
   </script>

</body>

</html>

Output: