christopherhill

class Node { 

  constructor(val) {
    this.val = val;
    this.left = null;
    this.right = null;
  }
  
}

christopherhill

// calendar

class Appointment {

  constructor(dateStamp, description, id) {
    this.id = id;
    this.date = dateStamp || new Date();
    this.description = description || 'New Appointment';
  }
  

christopherhill

// string reverse using recursion

var str = 'abcdefg';

function reverse(original, reversed) {
  if (!reversed) {
    return reverse(original, [original.charAt(original.length - 1)]);
  } else {
    var len = reversed.length;
    reversed.push(original.charAt(original.length - len - 1));

christopherhill

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
}

form, input, button {
  border: none;
  margin: 0;
  padding: 0;
}

christopherhill

// palindrome

var words = ['otto', 'hannah', 'schlumberger'];

var test = function(words) {
  for (var i = 0; i < words.length; i++) {
    var result = palindrome(words[i]);
    console.log(result);
  }
};

christopherhill

var fibonacci = function(arrLength) {

  var offset = 1;
  var result = [0, 1];
  
  for (var i = offset; i < arrLength + offset; i++) {
    result.push(result[i] + result[i-1]);
  }  
  return result;
}

christopherhill

var Automobile = function() {
  this.automobile = true;
}

var Car = function() {
  this.car = true;
}

var Bus = function() {

christopherhill

// We need to write a function in JavaScript that parses all the variable parts of a 
// url, and any url parameters, into a hash. The function should take two arguments:
// 1. A "url format" string, which describes the format of a url that can contain 
// constant parts and variable parts (where "parts" of a url are separated with "/").
// All variable parts begin with a colon. Here is an example "url format" string:
// "/v6/:collecton/:id"
// 2. The second argument is a particular url that is guaranteed to have the format 
// specified by the first argument. It may also contain url parameters. For instance, 
// given the example url format string above, the second argument might be:
// "/v6/photos/3?size=large&res=high

christopherhill

var testCases = new Array();
testCases[0] = "751843926893625174642179583425316798176982345938754612364297851289531467517468239";
testCases[1] = "751843927893625174642179583425316798176982345938754612364297851289531467517468239";
testCases[2] = "571843926893625174642179583425316798176982345938754612364297851289531467517468239";
testCases[3] = "851743926693825174142679583425316798976182345738954612364297851289531467517468239";
testCases[4] = "223275461161885667779964198782134691447868986543883499854252274298641511551153988";
testCases[5] = "398126745471293685394287156874539162173982456973681245163759248927864531498612375";

var SudokuValidator = function() { 

christopherhill

function ValueWatcher(value, callback, prequel) {
    var that = this;
    this.value = value;
    this.onBeforeSet = prequel || function(){};
    this.onAfterSet = callback || function(){};
    this.setValue = function(newVal) {
        that.onBeforeSet(that.value, newVal);
        that.value = newVal;
        that.onAfterSet(newVal);
    }