Question

How to check if an object is array type in TypeScript

Answer 1

const o = [5, 7, 3, 0, 1, 9];
 
if (Array.isArray(o)) {
    console.log("array");
}
 
 
 
/*
run:
 
"array" 
 
*/

 

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Answer 2

const o = Array(100);
  
if (Array.isArray(o)) {
    console.log("array");
}
  
  
  
/*
run:
  
"array"
  
*/

 

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