08.Extract Capital-Case Words

function extractCapitalCaseWords(text) {
    let arr = text[0].split(/[^A-Za-z]+/).filter(w => w.length > 0);

    let result = [];

    for(let i = 0; i < arr.length; i++){
        let currentWord = arr[i];
        let wordInCapitals = currentWord.toUpperCase();

        if(currentWord == wordInCapitals){
            result.push(currentWord);
        }
    }

    console.log(result.join(', '));
}

let text = ['We start by HTML, CSS, JavaScript, JSON and REST.\n' +
'Later we touch some PHP, MySQL and SQL.\n' +
'Later we play with C#, EF, SQL Server and ASP.NET MVC.\n' +
'Finally, we touch some Java, Hibernate and Spring.MVC.\n'];

extractCapitalCaseWords(text)