Why am i getting [object Object] javascript JSON file

Question

Console.log(values) returns "[object Object]" instead of logging the array.

This is my code:

let values = {
    "coins": 0,
    "griffinFeathers": 0,
    "souvenir": 0,
    "cogs": 0,
    "cats": 0,
    "golems": 0,
    "champions": 0,
    "minotaurs": 0,
    "inquisitors": 0
}

JSON.stringify(FileLib.write("MinotaurLoot", "values.json", values));
function thing() {
    fileThing = JSON.stringify(FileLib.read("MinotaurLoot", "values.json"));
    if (griffin_thing_idk) fileThing.griffin++;    
}

console.log(values) // [object Object]

shouldn't you stringify content while writing ? FileLib.write("MinotaurLoot", "values.json",JSON.stringify( values)) — Sagar
– Sagar, Commented Oct 14, 2020 at 4:34

10110 · Accepted Answer · 2020-11-29 08:38:18Z

2

Looking at:

JSON.stringify(FileLib.write("MinotaurLoot", "values.json", values));

JSON.stringify() should either be removed as you're not storing the returned stringified version of your Object anywhere or do something like:

const stringifiedValues = 
    JSON.stringify(FileLib.write("MinotaurLoot", "values.json", values));

//Now you should be able to console.log without getting [object Object]
console.log(stringifiedValues);

Now, the reason why you're getting [object Object] is due to the fact that JavaScript's default implementation of console.log() does not handle gracefully JavaScript Objects as they are a 'more complex' data structure than primitives like String or Number.

As pointed out by @coderpc in the comment on your question, you can access the inner contents of an object by using the JSON.stringify() method before wrapping it in a console.log statement.

Let us know if it works.

edited Nov 29, 2020 at 8:38

answered Oct 14, 2020 at 4:41

10110

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