Question

How to check if a variable is a string in Node.js

Answer 1

const value = 'nodejs';

if (typeof value === 'string' || value instanceof String) {
  	console.log('string');
} else {
  	console.log('not string');
}

  
  
  
  
/*
run:
  
string
  
*/

 

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Answer 2

console.log(typeof ""); 
console.log(typeof "nodejs"); 
console.log(typeof "99"); 
  
  
  
  
/*
run:
  
string
string
string
  
*/

 

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