HTML Window screenTop Property

The HTML Window screenTop property returns the vertical coordinates of the window relative to the screen. It is not supported by firefox browser.


Following is the syntax −


Let us see an example of HTML Window screenTop Property −


 Live Demo

<!DOCTYPE html>
   body {
      color: #000;
      height: 100vh;
      background-color: #8BC6EC;
      background-image: linear-gradient(135deg, #8BC6EC 0%, #9599E2 100%);
      text-align: center;
   .btn {
      background: #db133a;
      border: none;
      height: 2rem;
      border-radius: 2px;
      width: 40%;
      display: block;
      color: #fff;
      outline: none;
      cursor: pointer;
      margin: 1rem auto;
   .show {
      font-size: 1.2rem;
<h1>HTML Window screenTop Property Demo</h1>
<button onclick="display()" class="btn">Show screenTop value</button>
<div class="show"></div>
   function display() {
      document.querySelector('.show').innerHTML = 'The vertical coordinate of the window relative to the screen is: ' + window.screenTop + 'px';


Click on “Show screenTop value” button to display the vertical coordinate of the window relative to the screen: