The error functions are used to deal with error. Specifies a string to output before an error message: PHP_ INI_ ALL: error. Top Floating message box using jQuery, floating at top message box using jquery, hanging message box using jQuery. Bootstrap Alerts. In this tutorial you. to create the success or confirmation alert message box add the contextual class. < / strong> A < a href. ' " ) < / script> ' ; }? > Call it like this: