How to count Capital letters from a string in javascript?

Count Capital letters from a string in javascript:

var text = 'Raju Kumar Yadav';
var totalCapLetter = count(text );
function count(str){
var strArr = (str.match(/[A-Z]/g) || []);
return strArr.length;
}
console.log(totalCapLetter );

Output:
3

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