The scrollTop() method is an inbuilt method in jQuery which is used to return the vertical top position of the scrollbar.
Syntax:
$(selector).scrollTop(position)
Parameters: This method accepts single parameter position which is optional. It is used to specify vertical scrollbar position in pixels.
Return Value: This method returns the top position of the scroll bar.
Below example illustrates the scrollTop() method in jQuery:
Example:
<!DOCTYPE html> <html> <head> <title>scrollTop method</title> <script src= </script> <!-- jQuery code to show the working of this method --> <script> $(document).ready(function() { $("button").click(function() { alert($("div").scrollTop() + " px"); }); }); </script> <style> div { border: 1px solid black; width: 100px; height: 150px; overflow: auto; } </style> </head> <body> <div> Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!. Welcome to GeeksforGeeks!</div> <br> <!-- move the scroll bar and click on this button --> <button>Click Here !</button> </body> </html> |
Output:
Before click on the button:
Pixel value of the top position shown in above figure:
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