The HTML DOM Style top property returns and modify the top position of a positioned HTML element in an HTML document.
Syntax
Following is the syntax −
1. Returning top
object.top
2. Modifying top
object.top = “value”
Here, value can be −
Sr.No | Value & Explanation |
---|---|
1 | initial It set this property value to its default value. |
2 | inherit It inherits this property value from its parent element. |
3 | percentage(%) It defines value in percentage of the width of the parent element. |
4 | length It define value top in length unit. |
5 | auto It lets the browser set the value of top position. |
Let us see an example of HTML DOM Style top Property −
Example
<!DOCTYPE html> <html> <style> body { color: #000; height: 100vh; } .btn { background: #db133a; border: none; height: 2rem; border-radius: 2px; width: 40%; display: block; color: #fff; outline: none; cursor: pointer; margin: 1rem 0; } .square { width: 100px; height: 100px; background: #db133a6b; position: relative; } .show { font-size: 1.2rem; margin: 1rem 0; } </style> <body> <h1>DOM Style top Property Demo</h1> <div class='square'></div> <button onclick="set()" class="btn">Set top position</button> <script> function set() { document.querySelector('.square').style.top = "200px"; } </script> </body> </html>
Output
Click on “Set top position” button to set the top position of pink square.