JSFiddle - React, Tailwind, and code Playground

JavaScript

var Answers = [ "true", "false", "false", "true", "false" ];
var numOfTrue = countTrue(Answers);

alert(numOfTrue);

function countTrue(Answers){
 var numOfTrue = 0;
 jQuery.each( Answers, function(i, value)
 {
    if (value === "true")
        numOfTrue++;
 });
    
 return numOfTrue;
}