andreasvirkus

/**
 * An export pattern for global objects
 * (to avoid pollution)
 */
// File A
var foo = (function (that) {
  that.bar = 1;

  return that;
}(foo || {}));

andreasvirkus

var counts = [4, 9, 15, 6, 2],
    goal = 5;

var closest = counts.reduce(function (prev, curr) {
  return (Math.abs(curr - goal) < Math.abs(prev - goal) ? curr : prev);
});

andreasvirkus

/**
 * Animate navigation for anchor links on the same page
 * // TODO: rewrite in vanilla
 */
jQuery('a[href^="#"]').on('click', function(event) {
   event.preventDefault();
   var $href = jQuery(this).attr('href'),
       $toScroll = jQuery($href),
       scrollToY = $toScroll.length ? $toScroll.offset().top - 0 : 0;

andreasvirkus

/**
 * Returns a small symbol with the correct time displayed in the depicted analog clock
 */
(function () {
  return "\ud83d"+String.fromCharCode(56656+((h=(n=new Date).getHours()%12)?h-1:11)+(n.getMinutes()>29&&12))
})();

andreasvirkus

<!-- Digital clock -->
<a id=a>
<script>
setInterval`a.innerHTML=new Date().toLocaleTimeString('fr')`
</script>

<!-- Analog clock -->
<x id=c>
<script>
  setInterval(eval(a="c.innerHTML='&#'+(128336+((h=(n=new Date).getHours(c.style.fontSize='20vw')%12)?h-1:11)+(n.getMinutes()>29&&12)),a"),1e3)

andreasvirkus

// ES5
function getNodeindex( elm ){ 
    var c = elm.parentNode.children, i = 0;
    for(; i < c.length; i++ )
        if( c[i] == elm ) return i;
}

// ES6
function getNodeindex( elm ){ 
    return [...elm.parentNode.children].findIndex(c => c == elm)

andreasvirkus

// For those crucial times you can't decide which element to pick
$.fn.random = () => {
  return this.eq(Math.floor(Math.random() * this.length));
};

// Usage
$('nav li').random().find('a').click();

andreasvirkus

/* Medium */
body {  
  font-family: -apple-system, 
               BlinkMacSystemFont, 
               "Segoe UI", 
               Roboto, 
               Oxygen,
               Ubuntu,
               Cantarell,
               "Open Sans",

andreasvirkus

import fs from 'fs';
import request from 'request';

/**
 * Download and save a file to the project root
 *
 * Courtesy of http://stackoverflow.com/a/12751657/2803743
 */
export const download = function(uri, filename, callback) {
  request.head(uri, function(err, res, body) {

andreasvirkus

// This is all it takes to create those cancerous popups.
window.onbeforeunload = function (e) {
    e = e || window.event;

    // For IE and Firefox prior to version 4
    if (e) {
        e.returnValue = 'Sure?';
    }

    // For Safari