click-event.html

<!DOCTYPE html>
<html lang="en">
<head>
  
  <title>Document</title>
</head>
<body>
  
  <button onclick="document.querySelector('.para').innerHTML=Date()">click me</button> <!--this is onclick attribute-->

  <!--<button onclick="display();">click me</button>--> <!--this is for calling a function-->

  <!--<button class="btn">Click Me</button>-->

  <p class="para">this the .para</p> <!--this for creating event is JS and styling and using CSS--> <!--VERY IMPORTANT:- WITHOUT THIS CLASS PARA NO BUTTON WILL WORK i.e .PARA IS  THE NAME OF THE  CLASS-->

  <script src="./event.js">

  </script>
</body>
</html>