BestBase64EncoderDecoder/misc/demo.html at master · anonyco/BestBase64EncoderDecoder · GitHub

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<!DOCTYPE html>
<html>
<head>
    <style>img:active{opacity:0.8}</style>
    <script src="../btoaUTF8.min.js"></script>
	<title>BestBase64EncoderDecoder Interactive Demonstration</title>
</head>
<body>
    <center>
	    <h3>BestBase64EncoderDecoder Interactive Demonstration Page</h3>
	    <a href="https://github.com/anonyco/BestBase64EncoderDecoder/">Visit the github repository</a><br />
<textarea id="source" style="width:66.7vw">Hello \u1234 W\186\0256ld!
Enter text into the top box. Then the URL will update automatically.
</textarea><br />
<div style="width:66.7vw;display:inline-block;height:calc(25vw + 1em + 6px);border:2px solid;text-align:left;line-height:1em">
<input id="urlBar" style="width:calc(100% - 1em - 13px)" /><img alt="click to go to a the URL specified by the URL box" id="gotoButton" aria-role="button" src="data:image/png;base64,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" style="width:calc(1em + 4px);line-height:1em;vertical-align:-40%;cursor:pointer" />
<iframe id="mainframe" style="width:66.7vw;height:25vw" frameBorder="0"></iframe>
</div>
</center>
    <script type="text/javascript">
(function(window, btoaUTF8){
    "use strict";
    var sourceEle = document.getElementById("source");
    var urlBarEle = document.getElementById("urlBar");
    var mainFrameEle = document.getElementById("mainframe");
    var gotoButton = document.getElementById("gotoButton");
    var parseInt = window.parseInt;
    var fromCodePoint = String.fromCodePoint;
    var parse = JSON.parse;

    function unescape(str){
        return str.replace(/\\u[\da-f]{0,4}|\\x[\da-f]{0,2}|\\u{[^}]*}|\\[bfnrtv"'\\]|\\0[0-7]{1,3}|\\\d{1,3}/g, function(match){
          try{
            if (match.startsWith("\\u{"))
              return fromCodePoint(parseInt(match.slice(2,-1),16));
            if (match.startsWith("\\u") || match.startsWith("\\x"))
              return fromCodePoint(parseInt(match.substring(2),16));
            if (match.startsWith("\\0") && match.length > 2)
              return fromCodePoint(parseInt(match.substring(2),8));
            if (/^\\\d/.test(match)) return fromCodePoint(+match.slice(1));
          }catch(e){
	  	for (var str="", i=match.length; i--; ) str += match.charAt(i);
		return str;
	  }
          return parse('"' + match + '"');
        });
    }

    function whenChange(){
      try{ urlBarEle.value = "data:text/plain;base64," + btoaUTF8(unescape(sourceEle.value), true);
      } finally{ gotoURL(); }
    }
    sourceEle.addEventListener("change",whenChange,{passive:1});
    sourceEle.addEventListener("input",whenChange,{passive:1});

    // IFrame Setup:
    function gotoURL(){mainFrameEle.src = urlBarEle.value}
    gotoButton.addEventListener("click", gotoURL, {passive: 1});
    function urlChanged(){urlBarEle.value = mainFrameEle.src}
    mainFrameEle.addEventListener("load", urlChanged, {passive: 1});
    urlBarEle.addEventListener("keypress", function(evt){
      if (evt.key === "enter") evt.preventDefault(), urlChanged();
    }, {passive: 1});
    setTimeout(whenChange, 0);
})(window, btoaUTF8);
    </script>
<a href="https://github.com/anonyco/BestBase64EncoderDecoder#quick-start" class="github-corner" aria-label="View source on GitHub"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:#151513; color:#fff; position: absolute; top: 0; border: 0; right: 0;" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>
</body>
</html>