CODE EXAMPLE FOR JAVASCRIPT

common character count javascript

function solution(s1, s2) {
    let count = 0;
    s1 = s1.split('');
    s2 = s2.split('');
    s1.forEach((e) => {
        if (s2.includes(e)) {
            count++;
            s2.splice(s2.indexOf(e), 1);
        }
    });
    return count;
}