HTML | ononline Event Attribute

The ononline event attribute works when the browser starts working in online mode. it is opposite to onoffline event attribute.

syntax

<element ononline = "script">

Attribute Value: This event attribute contains single value script which works when browser working in online mode.

Example:

filter_none

edit
close

play_arrow

link
brightness_4
code

<!DOCTYPE HTML>
<html>
    <head>
        <title>
            ononline Event Attribute
        </title>
          
        <script>
            function onfunction() {
                alert("Browser is online");
            }
            function offunction() {
                alert("browser is offline");
            }
        </script>
    </head>
  
    <!-- ononline event used here -->
    <body ononline = "onfunction()"
        onoffline = "offunction()">
    </body>
</html>                            

chevron_right






                        filter_none








Output:

 


Supported Browser: This event is supported by Firefox 3.0 only. No other browser support this event.


full-stack-img



    

        My Personal Notes
        arrow_drop_up
    

    

        
        

            
            
        

    


Recommended Posts:
PERIYANAYAKI
Check out this Author's contributed articles.
If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.
Please Improve this article if you find anything incorrect by clicking on  the "Improve Article" button below.