Alert box in Browser Using JavaScript

Alert Box Using JavaScript

The below code will demo used to display the alert message to user on the browsers window.

<html>

   <head>
   
      <script type="text/javascript">
         
            function sayHello() {
               alert("Hello World")
            }
         
      </script>
      
   </head>
   
   <body>
      <input type="button" onclick="sayHello()" value="Say Hello" />
   </body>
   
</html>

Once the say hello button is clicked the alert will be shown with the defined messages on the browsers.

Output:
It will display the hello world with alert box.!

Thanks and Regards,

Tech bird

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