Question

How to check if a string is in alphabetical order in JavaScript

Answer 1

function isInAlphabeticalOrder(s) {
    for (let i = 0; i < s.length - 1; i++) {
        if (s[i] >= s[i + 1]) {
            return false;
        }
    }
    return true;
}

const s1 = "java c c++";
console.log(isInAlphabeticalOrder(s1)); 

const s2 = "abcxyz";
console.log(isInAlphabeticalOrder(s2));




/*
run:

false
true

*/

 

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