rackOne.js

// map: scrabble -> createRack -> randNum
// map: scrabble -> checkWordInRack -> wordToLetters

function randNum(){
    // creates a random number
    return Math.floor( Math.random() * 25);
};

function createRack(){
    // initiates a two arrays. One filled with the abcs and an empty array for the rack
    // Then it pushes seven letters into the rack
    // calls ranNum()
    // Then returns that rack
    var abc =    [ 'a', 'b','c', 'd', 'e','f','g', 'h','i', 'j', 'k', 'l', 'm','n','o', 'p', 'q', 'r', 's', 't'
    ,'u','v','w','x','y', 'z' ];
    var rack = [];
    for(i=0;i<7;i++){
        rack.push(abc[randNum()]);
    }
    return rack;
};
function wordToLetters(word){
    // gets a string
    // trims it
    // takes that cleaned string and puts every letter in an array by the split command

    var clean = word.trim();
    return clean.split("");
};

function checkWordInRack(rack,word){
    // gets a word
    // splits that word
    // calls wordToLetter(word);
    // creates an new rack
    // calls createRack();
    //  then, for each it checks the index in the rack array
    // then it checks the array of every letter in the rack array
    // but, if it's false it returns "you cannot use this word" and breaks
    var wordArray = wordToLetters(word);
    console.log(word);
    var checker = 0;
    for(i=0; i<wordArray.length; i++){
        checker = rack.indexOf(wordArray[i]);
        if(checker < 0){
            return "you cannot use this word"
            break
        }
        else{
            checker = 0;
        }
    };
    return "you can use this word";
    //return "You can use this word.";
};

function scrabble(){
    // creates a new Rack
    // creates a word list
    // outputs weather or not you can you the words from the list
    var rack = createRack();

    var wordList = {
        zit: checkWordInRack(rack, "zit"),
        xis: checkWordInRack(rack, "xis"),
        ant: checkWordInRack(rack, "ant")
    }

    console.log("your rack: " + rack);
    console.log("zit:" + wordList.zit);
    console.log("xis:" + wordList.xis);
    console.log("ant:" + wordList.ant);

}

scrabble();