Error
esri/core/ErrorError is a class that enhances the debugging and error handling process. Rather than returning a generic JavaScript error, this Error returns a standardized error object with several properties. The error class can be useful in many scenarios, such as working with promises, the esriRequest module, and many different layers and widgets.
- See also:
button.on("click", function() {
esriRequest(url, options).then(function(response) {
// do something useful
}).catch(function(error){
console.log("informative error message: ", error.message);
});
});Property Overview
| Name | Type | Summary | Object | |
|---|---|---|---|---|
| Object | The details object provides additional details specific to the error, giving more information about why the error was raised. more details | more details | Error | |
| String | A message describing the details of the error. more details | more details | Error | |
| String | A unique error name. more details | more details | Error |
Property Details
- detailsObject
The details object provides additional details specific to the error, giving more information about why the error was raised. For example, the details object for esriRequest includes additional information to help the developer diagnose issues with a problematic request.
Example:someAsyncFunction.then(callback) .catch(function(error){ console.log("Error details: ", error.details); });
- messageString
A message describing the details of the error.
Example:someAsyncFunction.then(callback) .catch(function(error){ console.log("Error message: ", error.message); });
- nameString
A unique error name. This can be used to map to a localized error message to present to the user.
Example:someAsyncFunction.then(callback) .catch(function(error){ console.log("Error name: ", error.name); });