Code_Challenge/submissions.js at main · lanimerr/Code_Challenge · GitHub

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const findSum = function(array) {
    let number = 0;

    for (let i = 0; i < array.length; i ++){
        number += array[i];
    }
    return number
  };


 const findFrequency = function(array) {
    let most = 0;
    let least = array.length + 1;
    let mostFreq = "";
    let leastFreq = "";

    const countElement = (element) =>{
        let total = 0;
        for (let i = 0; i < array.length; i ++){
            if (array[i] == element){
                total ++;
            }
        }
        if (total > most){
            most = total;
            mostFreq = element;
        }
        if (total < least){
            least = total;
            leastFreq = element;
        }
    };
    array.forEach((element) => countElement(element));
    const frequency = {most: mostFreq, least: leastFreq};
    return frequency;
};


  const isPalindrome = function(str) {
    let lowerCase = str.toLowerCase();
    let reverse = lowerCase.split('').reverse().join('');

    return(reverse  === lowerCase);
  };


  const largestPair = function(array) {
    let pair = 0;
    let num2 = 0;
    for (i = 0; i < array.length; i ++){
        num2 = array[i] * array[i + 1];
        if(num2 > pair){
            pair = num2;
        }
    }
    return pair;
  };


  const removeParenth = function(str) {
    const stringOne = str.indexOf("(");
    const stringTwo = str.indexOf(")");
    return str.substring(0, stringOne) + str.substring(stringTwo + 1);
  };


  const scoreScrabble = function(str) {
    let num = 0;

    for (let i = 0; i < str.length; i++){

        switch (str[i]){
            case 'a':
            case 'e':
            case 'i':
            case 'o':
            case 'u':
            case 'l':
            case 'n':
            case 'r':
            case 's':
            case 't':
                num += 1
                break;

            case 'd':
            case 'g':
                num += 2
                break;

            case 'b':
            case 'c':
            case 'm':
            case 'p':
                num += 3
                break;

            case 'f':
            case 'h':
            case 'v':
            case 'w':
            case 'y':
                num += 4
                break;

            case 'k':
                num += 5
                break;

            case 'j':
            case 'x':
                num += 8
                break;

            case 'q':
            case 'z':
                num += 10
                break;

            default:
                num += 0;
                break;
        };
    };

    return num;
  };