test
RUN
<!DOCTYPE html> <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <script language="javascript" src="https://code.jquery.com/jquery-3.1.1.min.js"></script> <style type="text/css"> span{ border: solid 1px red; padding: 5px 10px; border-right: 0px; } span:last-child{ border-right: solid 1px red; } </style> </head> <body> <script language="javascript"> var s = "1234"; var html = ''; for (var i = 0; i < s.length; i++){ html += '<span>' +s[i]+ '</span>'; } document.write(html); </script> </body> </html>
PHÓNG TO