brookjordan

function noteFrequency(offset) {
  // A4 has a defined, integer frequency. Let's use this as the base for calculations
  const A4Frequency   = 440;
  // Allows:
  //   - multiple flats and sharps in any order
  //   - usage of '♭' or lowercase 'B' as flat
  const noteRegExp         = /^([a-gA-G])([♭b♯#]*)(-?\d+)?$/;
  const semitoneMultiplier = 2 ** (1/12);
  const scaleNoteCount     = 12;
  // Pre calculate offsets of each note from A

brookjordan

//
//  Usage:
//
//  .my-class {
//    // other styles…
//
//    @include add-element(a) {
//      color: blue;
//    }
//

brookjordan

class Pentagon {
  static get SIDE_COUNT()   { return 5; };
  static get TOTAL_ANGLE()  { return 180 * (Pentagon.SIDE_COUNT - 2); };
  static get CORNER_ANGLE() { return Pentagon.TOTAL_ANGLE / Pentagon.SIDE_COUNT; };
  static get SQRT_SIDES()   { return Math.sqrt(Pentagon.SIDE_COUNT); };


  constructor (from, value) {
    if (isNaN(+from)) {
      this[from] = value;

brookjordan

var baseURL           = 'https://www.tradegecko.com'
var pages             = {};
var pageURLs          = ['/'];
var uncrawledPageURLs = pageURLs.slice(0);
var crawledPageURLs   = [];
var openCrawls        = 0;
var maxCrawls         = 3;

findNewPages();

brookjordan

/*
 * Use like:
 *   var a = new StyleCollector({ filterFonts : ['Open Sans', 'Raleway'] });
 *   a.search(); // => no of new fonts found
 *   console.log(a.textStyles); // => Array of unique found text styles
 */

class StyleCollector {
  constructor({ filterFonts } = {}) {
    this._foundStyles = [];

brookjordan

let okgo = new Promise(res=>{ window.cont = () => { res(); } });
await okgo;

brookjordan

function tabMap(within = document.documentElement) {
  let TABBABLE_SELECTOR = [
    'area',
    'button',
    'select',
    'textarea',
    'summary',
    'details',
    '[tabindex]',
    'a[href]',

brookjordan

function calculateArrangement({ pageCount = 9, currentPageNumber = 1, buttonCount = 7 } = {}) {
  buttonCount = +buttonCount;

  if (!buttonCount || buttonCount < 7) { throw Error('Must have 7 or more') }
  if (currentPageNumber > pageCount || currentPageNumber < 1) { throw Error('current page must be between 1 and page count') }

  let requiredEndsButtonCount = 1;
  let requiredCenterButtonCount = 3;
  let requiredSpareCountForGoto = 1;
  let requiredButtonCount =

brookjordan

Usage

let arr = new dimArray([3, 3, 3], Array(3 * 3 * 3).fill(0).map((_, i) => i));

Properties

arr.dimensionCount //=> 3
arr.size           //=> 27
arr.values //=> [ [ [0, 1, 2], [3, 4, 5], [6, 7, 8] ], [ [9, 10, 11], [12, 13, 14], [15, 16, 17] ], [ [18, 19, 20], [21, 22, 23], [24, 25, 26] ] ]

brookjordan

function randomString(length = 16) {
  const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/';
  const charCount = chars.length;
  let str = '';
  while (length-- > 0) {
    str += chars[Math.floor(Math.random() * charCount)];
  }
  return str;
}