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/** Creates an array that, when iterated, only returns ruthy items
 * @param  {array} iterable
 *
 * @example const mixedBag = new TruthyArray(1, 0, 'foo', '', true, false, undefined, null, 'three'])
 * for (item of mixedBag) {
 *   console.log(item);
 * }
 * 
 */

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function ifIn(array) {
  console.group(`ifIn======`);
    let i = 0;
    while (i < array.length) {
      if (i++ in array) {
        console.log(`${i - 1} is in the array`);
      }
    }
  console.groupEnd();

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/** Evaluates an array, makes the key lowercasee and makes the value an object with original keyname
 * @param  {Array} iterable=[] an array of arrays:[[key,val],[key,val]]
 * @returns Array
 */
function LowercaseIterable(iterable = []) {
	if (iterable.length === 0) return [];

	const newIterable = iterable.map(([key, val]) => {
		const entry = [
			key.toLowerCase(),

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/**
 * @typedef SpeakerDefaults
 * @type {object}
 * @property  {string} voiceURI voice that the browser uses
 * @property  {Number} volume loudness. Between 0 and 1.0
 * @property  {Number} rate  speed at which words are spoken. Between 0 and 2.
 * @property  {Number} pitch Between 0 and 2
 * @property  {string} lang ISO language
 */

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/** queryCSSByPropertyName
* queries the CSSOM looking for CSS rulesets containing a particular CSS property. 
* @param {string} queryPropName CSS property name
* @param {string} queryPropValue value of CSS property
* @returns Map with key as CSS selector, value as CSS properties. 
*/  
function queryCSSByProperty(queryPropName, queryPropValue) {
  	const styleSheets= document.styleSheets; // get all the stylesheets
	  const properties = new Map(); // set up the variable that'll store our result
  

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body {
    --bgColor: #111;
    --textColor:rgb(201, 208, 221) ;
    --infoColor: rgba(201, 208, 221, .7) ;
    --titleColor: rgb(133,153,187);
    --linkColor: rgb(57,114,198);
    --buttonBGColor: #444547;
    --buttonColor: rgb(201,228,221);
    --buttonBGColorHover: #72829e;
    --itemBGColor: #272524;

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/* Courtesy of Jake Albaugh: https://twitter.com/jake_albaugh/status/1118611365508337665 */

const bars = ["▁", "▂", "▃", "▄", "▅", "▆", "▇", "█"];
const ctx = new AudioContext();
const analyser = ctx.createAnalyser();
analyser.fftSize = 32;
const uIntArray = new Uint8Array(16);
navigator.mediaDevices.getUserMedia({ audio: true }).then(stream => {
  ctx.createMediaStreamSource(stream).connect(analyser);
  updateUrl();

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function collatz(n, steps = []) {
    if (isNaN(n)) return NaN;
    if (steps.length === 0) steps.push(n);

    const isEven = n%2 === 0;
    const newInt = isEven ? n / 2 : (3 * n) + 1;
        
    steps.push(newInt);
    
    return newInt !== 1 ? collatz(newInt, steps) : steps;

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import os, shutil, sys, getopt, fnmatch, json
from os.path import join
from HTMLParser import HTMLParser
from pyth.plugins.rtf15.reader import Rtf15Reader
from pyth.plugins.xhtml.writer import XHTMLWriter
from bs4 import BeautifulSoup

# constants
DEFAULT_DICTIONARY = {
        'chronoNumber': '',

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CSS Guidelines

• Introduction
• Organization
• Comments
• Syntax and Formatting
• Selectors
• Conventions

Introduction