How to make array from input

I have array in txt file and read this with

   fs.readFileSync("./input.txt")

When i wrap it in console.log i get(since it is written in the file itself):

    1 2 3 
    100 5000 

I would have the array:

['1','2','3','100','5000']

Placement of the array in the input file should not change.
Suggest how to do it, please.

>Solution :

You can use regex to split words: \w+

let a = `    1 2 3 
    100 5000 `;
    
console.log(a.match(/\w+/g))

To read your file and split it:

fs.readFileSync("./input.txt").match(/\w+/g)