Question

How to check if type is boolean in JavaScript

Answer 1

const bool = true;

if (typeof bool === 'boolean') {
  	console.log('boolean');
} else {
  	console.log('not boolean');
}


  
  
  
/*
run:
  
"boolean"
  
*/

 

70+ SQL courses for beginners and professionals

Answer 2

console.log(typeof true);
console.log(typeof false); 


  
  
  
/*
run:
  
"boolean"
"boolean"
  
*/

 

70+ SQL courses for beginners and professionals