The HTML DOM scrollTop property returns and modify the value of the element’s content scrolled vertically in pixels in an HTML document.
Syntax
Following is the syntax −
Returning scrollTop
element.scrollTop
Adding scrollTop
element.scrollTop = value
Here value is in pixels
Example
Let us see an example of scrollTop property −
<!DOCTYPE html> <html> <head> <style> body{ text-align:center; color:#fff; background: #ff7f5094; height:100%; } p{ font-weight:700; font-size:1.8rem; height:80px; overflow:auto; width:150px; margin:20px auto; } .btn{ background:#0197F6; border:none; height:2rem; border-radius:2px; width:35%; margin:2rem auto; display:block; color:#fff; outline:none; cursor:pointer; } .show{ font-size:1.5rem; } #myDIV { height: 200px; width: 200px; overflow: auto; margin:20px auto; } #content { height: 400px; width: 1000px; background-color: lightblue; } </style> </head> <body> <h1>DOM scrollLeft/scrollTop Property Demo</h1> <div id="myDIV" onscroll="display()"> <div id="content"></div> </div> <div class="show"></div> <script> function display() { var elmnt = document.getElementById("myDIV"); var x = elmnt.scrollLeft; var y = elmnt.scrollTop; document.querySelector(".show").innerHTML = "Top Scroll = " + x + "px Left Scroll = " + y + "px"; } </script> </body> </html>
Output
This will produce the following output −
Now scroll inside the blue box to get the value of top scroll and left scroll.