Imagine I have an object structured as follows
var obj = {
"name": "arun"
age
}
After attempting JSON.stringify(obj), it results in an error due to the improper structure of the obj. I am interested in capturing this error displayed in the console and presenting it on the user interface.
Does the stringify function offer any callback feature that would allow me to achieve this?
Initially, there seems to be a mistake in syntax. After the line "name": "arun", you are required to include a ,.
We cannot identify syntax errors through programming. Once you fix this syntax error, you can verify it like so:
try{
var obj = {
"name": "arun",
age
}
} catch(e){
console.log(e);// an error will be displayed here
}
There won't be any errors with JSON.stringify in this case.
The error will occur as soon as you attempt to create the object.
var obj = {
name: "Arun" // don't forget the comma
age //this is valid, assuming `age` is defined as a variable earlier in the code for newer browsers
};
In all browsers, there will be a SyntaxError once this part of the script runs due to the missing comma.
If you include the comma and have age declared above:
var age = 32;
var obj = {
name: "Arun",
age
};
This will work in modern browsers but result in a SyntaxError in older ones.
To make the object compatible with legacy browsers:
var age = 32;
var obj = {
name: "Arun",
age: age
};
Your issue isn't related to .stringify causing problems.
Based on the provided object, your code is flawed.
One possible approach is shown here:
let age = 34;
const person = { name: "arun", age }
console.log(JSON.stringify(person));
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