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<!DOCTYPE html> <html> <head> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.0.min.js"></script> </head> <body> <button type="button">Click here</button> <p>HTML</p> <h1>Hello jQuery</h1> <p>CSS</p> <p>JavaScript</p> <script> $(document).ready(function(){ $("button").click(function(){ $("p").replaceWith(function(a,b){ if(a==0){return "<h3>Tài liệu HTML</h3>";} if(a==1){return "<i><u>" + b + "</u></i>";} if(a==2){return "<h1>" + b + "</h1>";} }); }); }); </script> </body> </html>
<!DOCTYPE html> <html> <head> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.0.min.js"></script> </head> <body> <button type="button">Click here</button> <p>HTML</p> <h1>Hello jQuery</h1> <p>CSS</p> <p>JavaScript</p> <script> $(document).ready(function(){ $("button").click(function(){ $("p").replaceWith(function(a,b){ if(a==0){return "<h3>Tài liệu HTML</h3>";} if(a==1){return "<i><u>" + b + "</u></i>";} if(a==2){return "<h1>" + b + "</h1>";} }); }); }); </script> </body> </html>