Then only the user request is valid with the backend logic codes like java, php etc if the user request details has to be checked within the db the same request and response format has vary request events has to be handled by the event handler or event listener to handle the requests with the specific task or set of grouped tasks. The onclick event is based on the mouse events because it is triggered whenever the user click some ui tag elements in the web page same page itself the user drag the mouse pointer often they will be dragged the pointer in the entire web page browser the click event occurs once the user clicks on the particular element on the web applications or page.
Given below are the examples mentioned:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Welcome To My Domain</title> </head> <body> <button type="button"onclick="alert('You have clicked a button element!');">Please Click</button> <a href="#"onclick="alert('You have clicked a link in the web page!');">Please Click</a> </body> </html>