Question

How to flatten unlimited nested array javascript

Answer 1

let arr = [1, [2], [3, 4, [5, 6, [7, 8, [9, 10]]]]];

arr = arr.flat(Infinity);
  
console.log(arr); 


      
    
/*
run:
    
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
    
*/

 

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