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<!DOCTYPE html> <html> <head> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.0.min.js"></script> <style type="text/css"> .info{ margin:50px; border:30px solid black; padding:40px; width:210px; } </style> </head> <body> <button type="button">Click here</button> <p class="info">- Tài liệu học jQuery</p> <script> $(document).ready(function(){ $("button").click(function(){ var chieurong = $(".info").innerWidth(); alert(chieurong); }); }); </script> </body> </html>
<!DOCTYPE html> <html> <head> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.0.min.js"></script> <style type="text/css"> .info{ margin:50px; border:30px solid black; padding:40px; width:210px; } </style> </head> <body> <button type="button">Click here</button> <p class="info">- Tài liệu học jQuery</p> <script> $(document).ready(function(){ $("button").click(function(){ var chieurong = $(".info").innerWidth(); alert(chieurong); }); }); </script> </body> </html>