Heydon

// Elements with `data-observe` toggle `data-visible`
// between `true` and `false`

if ('IntersectionObserver' in window) {
  const callback = (entries, observer) => {
    entries.forEach(entry => {
      entry.target.setAttribute('data-visible', entry.isIntersecting)
    })
  }
  

rproenca

window.Clipboard = (function(window, document, navigator) {
    var textArea,
        copy;

    function isOS() {
        return navigator.userAgent.match(/ipad|iphone/i);
    }

    function createTextArea(text) {
        textArea = document.createElement('textArea');

julianshen

/*
 * Copyright 2014 Julian Shen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software