Converting Odd and Even-indexed characters in a string to uppercase/lowercase in Javascript?

Question

I need to make a function that reads a string input and converts the odd indexed characters in the string to upperCase and the even ones to lowerCase.

function          


        

Answer 1

Try this:

function alternativeCase(string){
    var output = "";
    for(var i = 0; i < string.length; i++){
        if (i % 2 != 0) {
            output += string[i].toUpperCase();
        }
        else {
            output += string[i].toLowerCase();
         }   
    }
    return output;
}