When the window’s history change, the onpopstate event triggers. You can add it like this −Example           This is demo text    

Use the onplaying attribute to let users know that the audio/ video started playing.ExampleYou can try to run the following code to learn how to execute a script when the media has started playing −                                        Your browser does not support the video element.                      function display() {          alert("Video started playing!");          }          

The ontimeupdate attribute event triggers when the playing position of the media, for example, video, is changed. It can be fast forward, or backward in a video or audio.ExampleYou can try to run the following code implement ontimeupdate attribute −           Play                                    Your browser does not support the video element.                      function myFunction() {             document.getElementById("test").innerHTML = "Current position: " +             document.getElementById("myid").currentTime;          }          

Use the oncanplay attribute to define when an audio/ video is ready to start playing.ExampleYou can try to run the following code to learn how to execute a script when the media is ready to start playing −                                        Your browser does not support the video element.                      function display() {             alert("Video loaded!");          }          

Use the onsuspend attribute in HTML to run the script when the loading of media data suspends, for example, when download completes. It can happen in any of the following situations −When a download is paused When a download completes Media is suspended, etc.The attribute can be used with the and elements and works in all the modern web browsers such as Firefox, Chrome, Opera, Safari, etc.

The tag was used to set the font in HTML, but it is now deprecated. Use CSS for the same purpose.ExampleYou can try to run the following code to change the font of text in HTML −           Tutorialspoint       Learning videos       Learning content    

Use the onstorage attribute in HTML to execute on Web Storage area update. You can try to run the following code to implement onstorage attribute − Example HTML onstorage Welcome Demo text

Use the tag to include groups of table columns.The HTML tag is used for specifying properties for a group of columns within a table. If you need to apply different properties to a column within a colgroup, you can use the HTML col tag within the colgroup tag.The following are the attributes −AttributeValueDescriptionAlignrightleftcenterjustifycharDefines horizontal alignment, not supported in Html5.CharcharacterDefines a character to use to align text on (use with align ="char"), not supported in Html5.CharoffpixelDefines the number of columns the should span, not supported in Html5SpannumberDefines the number of columns the should span, not supported in ... Read More

Use the tag to include attributes for table columns. The HTML tag allows authors to group together attribute specifications for table columns. It does not group columns together structurally -- that is the role of the element.The following are the attributes −AttributeValueDescriptionAlignrightleftcenterjustifycharDefines horizontal alignment, not supported in Html5.CharcharacterDefines a character to use to align text on (use with align = "char"), not supported in Html5.CharoffpixelSpecifies an alignment offset (either in pixels or percentage value) against the first character as specified with the char attribute, not supported in Html5SpannumberDefines the number of columns the should span, not ... Read More

When a user opens or closes the element, the ontoggle event fires. You can try to run the following code to implement ontoggle event attribute −Example           Details       You need to join office from Feb23                More Information          Timings: 9 to 5:30          Office location: Hyderabad                            function myFunction() {             alert("Timings, office location, etc");          }