function camelize(str) {
    let splited = str.split('-');
    let cameled = splited[0];

    for(let i = 1; i < splited.length; i++) {
        cameled += splited[i][0].toUpperCase() + splited[i].slice(1);
    }

    return cameled;
}

function camelize(str) {
    return str
        .split('-')
        .map(
            (word, index) => index == 0 ? word : word[0].toUpperCase() + word.slice(1)
        )
        .join('')
}


자살마렵다