The error message is displayed as follows:
"{\"errorCode\":\"2029\",\"errorMessage\":\"Duplicate Entry\"}"
How can I retrieve the errorCode from the above code using JavaScript?
The error message is displayed as follows:
"{\"errorCode\":\"2029\",\"errorMessage\":\"Duplicate Entry\"}"
How can I retrieve the errorCode from the above code using JavaScript?
One way to handle error messages is by parsing them into an object and extracting specific information, such as the errorCode:
const errorMessage = "{\"errorCode\":\"2029\",\"errorMessage\":\"Duplicate Entry\"}";
const messageObject = JSON.parse(errorMessage);
const errorCode = messageObject.errorCode;
console.log(errorCode)Here lies a JSON encoded entity. To unveil its properties, one must undertake the process of decoding it using JSON.parse(). From there, accessing its attributes becomes an effortless task through their respective names.
For example:
let encodedInfo = "{\"errorCode\":\"2029\",\"errorMessage\":\"Duplicate Entry\"}";
let decoded = JSON.parse(encodedInfo);
console.log(decoded.errorCode); // displays "2029"
If you desire to retrieve the error code as a numerical value rather than a string, employing parseInt() will do the trick.
For instance:
console.log(parseInt(decoded.errorCode)); // outputs 2029
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