Question

How to declare and initialize string and number array in TypeScript

Answer 1

const arr: Array<string | number> = ['TypeScript', 354, 'C', 'C++', 54, 3, 9, 'Java']; 
 
  
for (let index in arr) {
    console.log(arr[index]); 
}
  
  
  
  
/*
  
run:
  
"TypeScript" 
354 
"C" 
"C++" 
54 
3 
9 
"Java" 
 
*/

 

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