Question

How to use the Boolean object to wrap a boolean value in JavaScript

Answer 1

var x = new Boolean("false");
if (x) {
  document.write('true');
}

 
/*
run:  
  
  
true 
   
*/

 

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Answer 2

var x = new Boolean(false);
if (x) {
  document.write('something');
}

 
/*
run:  
    
true 
   
*/

 

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Answer 3

var x = false;
if (x) 
  document.write('true');
else
  document.write('false');

 
/*
run:  
    
false 
   
*/

 

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