Characters in Range

function charsInRange(char1, char2) {
    let result = '';
    let start = Math.min(char1.charCodeAt(0), char2.charCodeAt(0));
    let end = Math.max(char1.charCodeAt(0), char2.charCodeAt(0));
    for (let i = start + 1; i < end; i++) {
        result += String.fromCharCode(i);
    }
    console.log(result.split('').join(" "));
}