Question

How to convert array with numbers as strings and strings to only numbers array in TypeScript

Answer 1

function ToNumbersOnly(arr: string[]) {
    return arr.map(Number).filter(Boolean);
}
 
const arr = ["3", "-7", "124", "0.09", "javascript", "3.14", "c++"]
 
console.log(ToNumbersOnly(arr));
  
   
    
/*
run:
    
[3, -7, 124, 0.09, 3.14] 
    
*/

 

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