Question

How to count the true values in an array with Node.js

Answer 1

const arr = [true, 'javascript', true, 'node.js', true, 'c++', true, false, true];

const count = arr.filter(value => value === true).length;

console.log(count); 
   
   
   
   
   
/*
run:
   
5
   
*/

 

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