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<!doctype html> <html lang="vi"> <head> <meta charset="utf-8"> <title>Học web chuẩn</title> <script src="https://code.jquery.com/jquery-latest.js"></script> <style> button { margin: 10px; } img { position: relative; left: 10px; } </style> <script> $(function(){ $('button').click(function() { $('img').animate({ opacity: 0.25, left: '+=50' },1000); }); }); </script> </head> <body> <p><button>Click here</button></p> <img src="/exercises/images/img_350x260.png" alt="" width="129" height="auto"> </body> </html>