jQuery | offset() with Examples
The offset() method is an inbuilt method in jQuery which is used to set or returns the offset coordinates of the selected element.
Syntax:
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$(selector).offset()
Parameters: Parameter does not required.
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$(selector).offset({top:value, left:value})Parameters: The parameter is required when set the offset.
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$(selector).offset( function(index, offset) )
Parameters: This method set the offset using function. The parameter used in this method is optional. The index parameter is used to return the position of set element and offset return the coordinate of selected element.
Return Value: This method returns the co-ordinate of matched elements.
Below examples illustrate the offset() method in jQuery:
Example 1: In the code below this will return the co-ordinate of the first matched element.
<!DOCTYPE html> <html> <head> <title>The offset Method</title> <script src= </script> <!-- jQuery code to show the woirking of this method --> <script> $(document).ready(function() { $("button").click(function() { var Geek = $("p").offset(); alert("Top coordinate: " + Geek.top + " Left Coordinate: " + Geek.left); }); }); </script> <style> div { width: 60%; min-height: 150px; padding: 20px; font-size: 25px; border: 2px solid green; font-weight: bold; color:green; } </style> </head> <body> <!-- Click on paragraph --> <div> <p>Welcome to GeeksforGeeks!</p> <button>click Here!</button> </div> </body> </html> |
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Output:
Example 2:
<!DOCTYPE html> <html> <head> <title>The offset Method</title> <script src= </script> <!-- jQuery code to show the woirking of this method --> <script> $(document).ready(function() { $("button").click(function() { $("p").offset({top: 100, left: 140}); }); }); </script> <style> div{ width: 300px; min-height: 100px; color:green; font-weight: bold; padding:20px; font-size: 25px; border: 2px solid green; } </style> </head> <body> <div> <!-- Click on paragraph --> <p>Welcome to GeeksforGeeks!</p> <button>Click Here!</button> </div> </body> </html> |
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Output:
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