HTML – HTTP Status Messages
When a browser requests a service from a web server, the server returns a code along with the document/asset, like “404 Not Found” or “200 OK”.
JavaScript – debugger Statement
The debugger statement stops the execution of a script and calls the debugger. If debugging is unavailable, the statement has no effect.
JavaScript – throw Statement
The throw statement allows you to generate a custom error (throw an exception), which can be a String, a Number, a Boolean, or an Object.
JavaScript – try…catch…finally Statement
The try…catch…finally statement handles errors without stopping JavaScript to output the error.
JavaScript – console.error() Method
The console.error() method writes an error message to the console, which can be useful for testing purposes.
JavaScript – Error message Property
The Error object provides error information when an error occurs. The message property sets or returns an error message.
JavaScript – Error name Property
The Error object provides error information when an error occurs. The name property sets or returns the name of an error.
JavaScript – List of Error Properties
This is a quick reference list of JavaScript error properties with examples of how they are used.
jQuery – ajaxError() Method
The ajaxError() method specifies a function to be run when an AJAX request fails, and should only be attached to the document.
PHP – connection_aborted() Function
The PHP connection_aborted() function checks whether the client has disconnected.
PHP – debug_backtrace() Function
The PHP debug_backtrace() function generates a PHP backtrace which displays data from the code that led up to the debug_backtrace() function.
PHP – debug_print_backtrace() Function
The PHP debug_print_backtrace() function prints a PHP backtrace which displays data from the code that led up to the debug_print_backtrace() function.
PHP – error_get_last() Function
The PHP error_get_last() function returns the last error that occurred (as an associative array).
PHP – error_log() Function
The PHP error_log() function sends an error message to a log, to a file, or to a mail account.
PHP – error_reporting() Function
The PHP error_reporting() function specifies which errors are reported.
PHP – Exception Constructor
The PHP Exception() constructor is used to create an Exception object and set some of its properties.
PHP – Exception getCode() Method
The PHP getCode() method returns an integer which can be used to identify the exception.
PHP – Exception getFile() Method
The PHP getFile() method returns the absolute path to the file where an exception occurred.
PHP – Exception getLine() Method
The PHP getLine() method returns the line number of the line of code which threw the exception.
PHP – Exception getMessage() Method
The PHP getMessage() method returns a description of the error or behaviour that caused the exception to be thrown.