hello-world/flashcards.html at master · SheepTester/hello-world · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <title>Flash Cards</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1"/>
    <script src="/sheep3.js" charset="utf-8"></script>
    <link href="/sheep3.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css?family=Roboto:300,400" rel="stylesheet">
    <style>
      body {
        font-family: 'Roboto', sans-serif;
        background: #eee;
      }
      textarea {
        font: inherit;
      }
      .card {
        background: white;
        width: 600px;
        height: 350px;
        position: fixed;
        top: 0;
        bottom: 0;
        right: 0;
        left: 0;
        margin: auto;
        box-shadow: 0 1px 3px rgba(0,0,0,0.3);
        opacity: 0;
      }
      .card::after {
        content: "Press SPACE to flip; to continue: LEFT ARROW if wrong, RIGHT ARROW if right";
        color: rgba(0,0,0,0.5);
        font-size: 15px;
        position: absolute;
        bottom: 10px;
        left: 0;
        display: block;
        right: 0;
        text-align: center;
      }
      #word {
        font-size: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
      }
      #def {
        box-sizing: border-box;
        padding: 0 40px;
        font-size: 20px;
        display: flex;
        align-items: center;
        text-align: center;
      }
      .flipin {
        opacity: 1;
        animation: flipin 0.5s cubic-bezier(0,0,0,1) forwards;
      }
      @keyframes flipin {
        0% {
          transform: perspective(1000px) rotateY(90deg);
        }
        50% {
          transform: perspective(1000px) rotateY(90deg);
        }
        100% {
          transform: perspective(1000px) rotateY(0deg);
        }
      }
      .flipout {
        opacity: 1;
        animation: flipout 0.5s cubic-bezier(1,0,1,1) forwards;
      }
      @keyframes flipout {
        0% {
          transform: perspective(1000px) rotateY(0deg);
        }
        50% {
          transform: perspective(1000px) rotateY(-90deg);
        }
        100% {
          transform: perspective(1000px) rotateY(-90deg);
        }
      }
      .swapout {
        opacity: 1;
        animation: swapout 0.2s cubic-bezier(1,0,1,1) forwards;
      }
      @keyframes swapout {
        0% {
          transform: translateX(0);
        }
        100% {
          transform: translateX(-100vw);
        }
      }
      .fadeout {
        opacity: 1;
        animation: fadeout 0.2s cubic-bezier(1,0,1,1) forwards;
      }
      .fadeout.hidefirst {
        opacity: 0;
        animation: none;
      }
      @keyframes fadeout {
        0% {
          transform: scale(1);
          opacity: 1;
        }
        100% {
          transform: scale(0.5);
          opacity: 0;
        }
      }
      .swapin {
        opacity: 1;
        animation: swapin 0.2s cubic-bezier(0,0,0,1) forwards;
      }
      @keyframes swapin {
        0% {
          transform: translateX(100vw);
        }
        100% {
          transform: translateX(0);
        }
      }
    </style>
  </head>
  <body>
    <div id="word" class="card"><span>word</span></div>
    <div id="def" class="card"><span>definition definition definition definition definition definition definition definition</span></div>
    <script>
      var wordelem=document.getElementById('word'),
      defelem=document.getElementById('def'),
      json={
        "cell membrane":"thin, flexible barrier around a cell; <b>regulates what enters and leaves</b> the cell",
        "cell wall":"(bacteria and <b>plants only</b>) rigid protective coat made of cellulose and some proteins aiding in <b>maintaining shape of cell</b>, can withstand lots of internal water pressure",
        "centriole":"helps <b>cell division</b>",
        "chloroplast":"(plants only) contains chlorophyll (green pigment); site of <b>photosynthesis</b>; double membrane and stacks of thylakoid; has own DNA",
        "cytoplasm":"<b>jellylike</b> material inside the cell surrounding and <b>suspending the organelles</b> composed of water, salts, and organic compounds",
        "cytoskeleton":"<b>maintains cell structure</b>/shape and aids in movement",
        "DNA":"nucleic acid that contains the sugar deoxyribose; <b>genetic material</b>",
        "rough endoplasmic reticulum":"continuation of the nuclear envelope that <b>synthesizes proteins</b>",
        "smooth endoplasmic reticulum":"continuation of the nuclear envelope that <b>makes lipids</b> and steroid hormones",
        "Golgi body":"stacked organelle receiving protein from ER modifying and <b>packaging proteins</b> and sending them to intended locations",
        "lysosome":"contains digestive enzymes that are only active within it; formed from Golgi body; <b>breaks down</b> old and damaged cell parts, food particles (a vesicle)",
        "mitochondria":"<b>makes energy</b> for cells (ATP); <b>cell respiration</b> occurs here; inherited from mother; have their own DNA; can be used to follow maternal lines",
        "nucleus":"<b>contains DNA</b>",
        "nucleolus":"<b>makes ribosomes</b>",
        "ribosome":"<b>makes proteins</b>; most numerous; composed of nucleic acids and protein subunits; either attached to ER or floating in cytoplasm",
        "vacuole":"in animals: smaller, helps digest and remove waste; in plants: larger, plays a role in turgor (water) pressure, <b>stores nutrients and wastes</b> (a vesicle)",
        "vesicle":"membrane-bound sacs <b>moving and delivering</b> cellular secretions from place to place"
      },
      cardnum=-1,
      randomised=[],
      wrongs=[],
      flipside=0;
      function shuffle(array) {
        // https://bost.ocks.org/mike/shuffle/
        var m=array.length,t,i;
        while (m)
          i=Math.floor(Math.random()*m--),
          t=array[m],
          array[m]=array[i],
          array[i]=t;
        return array;
      }
      randomised=shuffle(Object.keys(json));
      function cont(iswrong) {
        if (iswrong&&randomised[cardnum]) wrongs.push(randomised[cardnum]);
        function doThings() {
          cardnum++,flipside=0;
          wordelem.classList.add(iswrong?'swapout':'fadeout');
          setTimeout(()=>{
            wordelem.classList.remove('swapout');
            wordelem.classList.remove('fadeout');
            if (cardnum>=randomised.length&&wrongs.length) randomised=shuffle(wrongs),wrongs=[],cardnum=0;
            if (cardnum<randomised.length) {
              wordelem.style.opacity=1;
              wordelem.classList.remove('hidefirst');
              wordelem.classList.add('swapin');
              wordelem.innerHTML=`<span>${randomised[cardnum]}</span>`;
              defelem.innerHTML=`<span>${json[randomised[cardnum]]}</span>`;
              setTimeout(()=>{
                wordelem.classList.remove('swapin');
              },200);
            } else {
              wordelem.style.opacity=0;
              defelem.style.opacity=0;
              wordelem.classList.add('hidefirst');
            }
          },200);
        }
        if (flipside===1) {
          defelem.classList.remove('flipin');
          defelem.classList.add('flipout');
          wordelem.classList.remove('flipout');
          wordelem.classList.add('flipin');
          setTimeout(()=>{
            doThings();
            defelem.classList.remove('flipout');
            wordelem.classList.remove('flipin');
          },500);
        } else {
          defelem.classList.remove('flipout');
          wordelem.classList.remove('flipin');
          doThings();
        }
      }
      function flip() {
        if (flipside===0) {
          wordelem.classList.remove('flipin');
          wordelem.classList.add('flipout');
          defelem.classList.remove('flipout');
          defelem.classList.add('flipin');
        } else {
          defelem.classList.remove('flipin');
          defelem.classList.add('flipout');
          wordelem.classList.remove('flipout');
          wordelem.classList.add('flipin');
        }
        flipside=(flipside+1)%2;
      }
      wordelem.classList.add('hidefirst');
      cont(false);
      document.onkeydown=e=>{
        if (e.keyCode===37) cont(true);
        else if (e.keyCode===39) cont(false);
        else if (e.keyCode===32) flip();
      };
    </script>
  </body>
</html>