A quick way to display human-readable HTTP errors.

httpErrorMessage.js

// Quick and easy HTTP Error Messages
// @ https://gist.github.com/aidilfbk/1363383
var get_http_error_message = function (code) {
  var http_errors = {
    100: "Continue",
    101: "Switching Protocols",
    102: "Processing",
    103: "Checkpoint",
    122: "Request-URI too long",
    
    200: "OK",
    201: "Created",
    202: "Accepted",
    203: "Non-Authoritative Information",
    204: "No Content",
    205: "Reset Content",
    206: "Partial Content",
    207: "Multi-Status",
    226: "IM Used",
    
    300: "Multiple Choices",
    301: "Moved Permanently",
    302: "Found",
    303: "See Other",
    304: "Not Modified",
    305: "Use Proxy",
    306: "Switch Proxy",
    307: "Temporary Redirect",
    308: "Resume Incomplete",
    
    400: "Bad Request",
    401: "Unauthorized",
    402: "Payment Required",
    403: "Forbidden",
    404: "Not Found",
    405: "Method Not Allowed",
    406: "Not Acceptable",
    407: "Proxy Authentication Required",
    408: "Request Timeout",
    409: "Conflict",
    410: "Gone",
    411: "Length Required",
    412: "Precondition Failed",
    413: "Request Entity Too Large",
    414: "Request-URI Too Long",
    415: "Unsupported Media Type",
    416: "Requested Range Not Satisfiable",
    417: "Expectation Failed",
    418: "I'm a teapot",
    422: "Unprocessable Entity",
    423: "Locked",
    424: "Failed Dependency",
    425: "Unordered Collection",
    426: "Upgrade Required",
    428: "Precondition Required",
    429: "Too Many Requests",
    431: "Request Header Fields Too Large",
    444: "No Response",
    449: "Retry With",
    450: "Blocked by Windows Parental Controls",
    499: "Client Closed Request",
    
    500: "Internal Server Error",
    501: "Not Implemented",
    502: "Bad Gateway",
    503: "Service Unavailable",
    504: "Gateway Timeout",
    505: "HTTP Version Not Supported",
    506: "Variant Also Negotiates",
    507: "Insufficient Storage",
    509: "Bandwidth Limit Exceeded",
    510: "Not Extended",
    511: "Network Authentication Required",
    598: "network read timeout error",
    599: "network connect timeout error"
  }
  var msg = code + " (" + http_errors[code] + ")";
  return msg;
}