title: when I pressed the login button without entering username & password, browser's top left corner display message like this "Invalid Info"
body: <p>when I pressed the login button without entering username &amp; password, browser's top left corner display message like this "Invalid Info" because I didn't write any js code or php code for validation.I want to know how to remove this when I clicked the login button.</p>
  
  <p><a href="https://i.stack.imgur.com/odh0a.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/odh0a.jpg" alt="enter image description here"></a> </p>
  
  <p><a href="https://i.stack.imgur.com/9lo12.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9lo12.jpg" alt="enter image description here"></a></p>