variableNameify.js

//Write a function variableNameify(words) that takes in an array of words. The function should return a string representing the //variable name obtained by combining the words and captitalizing them in mixCased style.

function variableNameify(words){
    let newWordArray  = [];
    newWordArray.push(words[0].toLowerCase())

    for(let i = 1; i < words.length; i++){
        let currentWord = words[i];
        currentWord = currentWord.toLowerCase();

        let firstLetter = currentWord.charAt(0);
        let firstLetterCap = firstLetter.toUpperCase();

        let remainingLetters = currentWord.slice(1);
        let capitalizedWord = firstLetterCap + remainingLetters;

        newWordArray.push(capitalizedWord);
    }

    newWordArray = newWordArray.join("");
    return newWordArray;
}

console.log(variableNameify(['is', 'prime'])) // => 'isPrime'
console.log(variableNameify(['remove', 'last', 'vowel'])) // => 'removeLastVowel'