There is no is attribute in HTML. It is a proposed extension that appears in the Custom Elements specification (which evolved from the ... ... <看更多>
Search
Severity: Notice
Message: Trying to access array offset on value of type null
Filename: controllers/Pages.php
Line Number: 521
Backtrace:
File: /var/www/html/KOL/voice/application/controllers/Pages.php
Line: 521
Function: _error_handler
File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once
Severity: Notice
Message: Trying to access array offset on value of type null
Filename: controllers/Pages.php
Line Number: 521
Backtrace:
File: /var/www/html/KOL/voice/application/controllers/Pages.php
Line: 521
Function: _error_handler
File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once
Search
There is no is attribute in HTML. It is a proposed extension that appears in the Custom Elements specification (which evolved from the ... ... <看更多>
... <看更多>
JavaScript getAttribute() example. Consider the following example: <!DOCTYPE html> <html> <head> ... ... <看更多>