how to find the capital element in javascript code example

Example: how to check if the first letter of a string is capitalized or uppercase in js

/**** Check if First Letter Is Upper Case in JavaScript***/
function startsWithCapital(word){
    return word.charAt(0) === word.charAt(0).toUpperCase()
}

console.log(startsWithCapital("Hello")) // true
console.log(startsWithCapital("hello")) // false