How to make javascript turn a multidimensional array into a string?

Question

I have a multidimensional array in javascript that I would like to be able to turn into a string while preserving brackets. I have taken a look at other questions such as javascript - Convert array to string while preserving brackets and the answers there didn't help me much.

My array could look like the following:

[[[0,0,1],1],[[1,0,0],4],[[1,0,1],5], [[0,1,1],3],[[1,1,0],6],[[0,1,0],2]]

When I print the array I see:

0,0,1,1,1,0,0,4,1,0,1,5,0,1,1,3,1,1,0,6,0,1,0,2

The output that I am expecting is what the original array looks like.

I have also tried the following code:

alert("[[" + myArray.join("],[") + "]]");

This works for almost everything, I get an output of:

[[0,0,1,1],[1,0,0,4],[1,0,1,5], ...

And I would like to see what the origional array looks like with the brackets. I would also like to stay away from JSON.stringify(); and JSON.parse();

Question is unclear, what is the input you are providing and the output you are expecting? And why not using JSON.stringify? — Maor Refaeli
– Maor Refaeli, Commented Aug 28, 2018 at 15:51
It seems JSON.stringify would provide exactly what you are looking for, being able to see what the array looks like with the brackets. Why the avoidance of JSON.stringify? — KevBot
– KevBot, Commented Aug 28, 2018 at 15:52
If your array is structured correctly, JSON.stringify() and JSON.parse() is literally what you're describing. — esqew
– esqew, Commented Aug 28, 2018 at 15:59
@DMVerfurth, JSON.parse on a stringified array will convert it back to an array (using a simple nested array with 0 in it): Array.isArray(JSON.parse(JSON.stringify([[0]]))) — KevBot
– KevBot, Commented Aug 28, 2018 at 16:00

knittl · Accepted Answer · 2018-08-28 16:31:29Z

1

JSON.stringify() and JSON.parse() will do exactly what you ask for. Try it out:

var arr = [[[0,0,1],1],[[1,0,0],4],[[1,0,1],5], [[0,1,1],3],[[1,1,0],6],[[0,1,0],2]];
var str = JSON.stringify(arr);
alert(str);
var parsed = JSON.parse(str);
alert(parsed);
console.log(parsed);

answered Aug 28, 2018 at 16:31

knittl

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