function sortStrs(strArr) {
    return strArr.sort((s1, s2) => {
        const lowerCaseS1 = s1.toLowerCase();
        const lowerCaseS2 = s2.toLowerCase();

        if (lowerCaseS1 < lowerCaseS2) {
            return -1;
        } else if (lowerCaseS1 > lowerCaseS2) {
            return 1;
        } else {
            return 0;
        }
    });
}
Sorts an array of strings alphabetically
    @param {Array<String>} strArr - Array of strings to sort
    @return {Array<String>} The sorted array