jscrambler

JavaScript performance comparison

Revision 4 of this test case created

Info

test of jscrambler

Preparation code

        <div id="container">
            <img src="images/logo.png" />
            <h1>SIMPLE DEMO</h1>
            <canvas id="canvas" width="640" height="480" oncontextmenu="return false;" onselectstart="return false;">
                <!-- This text is displayed if the visitor's browser does not support HTML5.
               You can change it, but it is a good idea to link to a description of a browser
               and provide some links to download some popular HTML5-compatible browsers. -->
                Your browser does not appear to support HTML5.  Try upgrading your browser to the latest version.  <a href="http://www.whatbrowser.org/">What is a browser?</a>
                <br><br><a href="http://www.microsoft.com/windows/internet-explorer/default.aspx">Microsoft Internet Explorer</a><br>
                <a href="http://www.mozilla.com/firefox/">Mozilla Firefox</a><br>
                <a href="http://www.google.com/chrome/">Google Chrome</a><br>
                <a href="http://www.apple.com/safari/download/">Apple Safari</a><br>
                <a href="http://www.google.com/chromeframe">Google Chrome Frame for Internet Explorer</a><br>
            </canvas>
            <div style="margin-top:30px;"><button onclick="stop()">Stop</button> Drew <span id="draw_number"></span> images in <span id="draw_time">0</span> seconds (60FPS).</div>
            <p>(Test duration: 10 seconds)</p>
            <br>
        </div>         
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
 

Preparation code output

SIMPLE DEMO

Your browser does not appear to support HTML5. Try upgrading your browser to the latest version. What is a browser?

Microsoft Internet Explorer
Mozilla Firefox
Google Chrome
Apple Safari
Google Chrome Frame for Internet Explorer
Drew images in 0 seconds (60FPS).

(Test duration: 10 seconds)


Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in unknown unknown
Test Ops/sec
normal
(function(window) {
  var x = 0;
  var y = 0;
  var xDirection = 1;
  var yDirection = 1;
  var image = new Image();
  image.src = "images/image.png";
  var canvas = null;
  var context2D = null;
  var count = 0;
  var time = 1;
  var run_timer = null;
  var run_animation = null;

  window.onload = init;

  function init() {
    var FPS = 60;
    run_timer = window.setInterval(timer, 1000);
    canvas = window.document.getElementById('canvas');
    context2D = canvas.getContext('2d');
    if (window.navigator.userAgent.indexOf('Firefox') != -1) {
      run_animation = window.setInterval(function() {
        window.mozRequestAnimationFrame(draw);
      }, 1000 / FPS);
    } else if (window.navigator.userAgent.indexOf('Chrome') != -1) {
      run_animation = window.setInterval(function() {
        window.webkitRequestAnimationFrame(draw);
      }, 1000 / FPS);
    } else {
      window.setInterval(draw, 1000 / FPS);
    };
  }

  function timer() {
    $("#draw_time").html(time++);
    if (time > 10) stop();
  }

  function draw() {
    context2D.clearRect(0, 0, canvas.width, canvas.height);
    context2D.drawImage(image, x, y);
    x += 1 * xDirection;
    y += 1 * yDirection;

    if (x >= canvas.width - 188) {
      x = canvas.width - 188;
      xDirection = -1;
    } else if (x <= 0) {
      x = 0;
      xDirection = 1;
    }
    if (y >= canvas.height - 48) {
      y = canvas.height - 48;
      yDirection = -1;
    } else if (y <= 0) {
      y = 0;
      yDirection = 1;
    }

    $("#draw_number").html(count++);
  }

  stop = function() {
    window.clearInterval(run_animation);
    window.clearInterval(run_timer);
  };

  $("#canvas").click(function() {
    xDirection == 1 ? xDirection = -1 : xDirection = 1;
    yDirection == 1 ? yDirection = -1 : yDirection = 1;
  });
})(window);
pending…
obfuscated
/* Obfuscate your JavaScript at https://jscrambler.com */
eval((function(S23) {
  for (var F23 = "", N23 = 0, l23 = function(S23, H23) {
      for (var s23 = 0, O23 = 0; O23 < H23; O23++) {
        s23 *= 96;
        var y23 = S23.charCodeAt(O23);
        if (y23 >= 32 && y23 <= 127) {
          s23 += y23 - 32
        }
      }
      return s23
    }; N23 < S23.length;) {
    if (S23.charAt(N23) != "`") F23 += S23.charAt(N23++);
    else {
      if (S23.charAt(N23 + 1) != "`") {
        var I23 = l23(S23.charAt(N23 + 3), 1) + 5;
        F23 += F23.substr(F23.length - l23(S23.substr(N23 + 1, 2), 2) - I23, I23);
        N23 += 4
      } else {
        F23 += "`";
        N23 += 2
      }
    }
  }
  return F23
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pending…
optimized
/* Obfuscate your JavaScript at https://jscrambler.com */
(function(b) {
  var c = 0,
    d = 0,
    f = 1,
    g = 1,
    h = new Image();
  h.src = "images/image.png";
  var i = null,
    j = null,
    k = 0,
    m = 1,
    p = null,
    l = null;
  b.onload = v;

  function v() {
    var a = 60;
    p = b.setInterval(o, 1000);
    i = b.document.getElementById('canvas');
    j = i.getContext('2d');
    if (b.navigator.userAgent.indexOf('Firefox') != -1) {
      l = b.setInterval(function() {
        b.mozRequestAnimationFrame(u)
      }, 1000 / a)
    } else if (b.navigator.userAgent.indexOf('Chrome') != -1) {
      l = b.setInterval(function() {
        b.webkitRequestAnimationFrame(u)
      }, 1000 / a)
    } else {
      b.setInterval(u, 1000 / a)
    }
  }

  function o() {
    $("#draw_time").html(m++);
    if (m > 10) stop()
  }

  function u() {
    j.clearRect(0, 0, i.width, i.height);
    j.drawImage(h, c, d);
    c += 1 * f;
    d += 1 * g;
    if (c >= i.width - 188) {
      c = i.width - 188;
      f = -1
    } else if (c <= 0) {
      c = 0;
      f = 1
    }
    if (d >= i.height - 48) {
      d = i.height - 48;
      g = -1
    } else if (d <= 0) {
      d = 0;
      g = 1
    }
    $("#draw_number").html(k++)
  }
  stop = function() {
    b.clearInterval(l);
    b.clearInterval(p)
  };
  $("#canvas").click(function() {
    f == 1 ? f = -1 : f = 1;
    g == 1 ? g = -1 : g = 1
  })
})(window);
pending…

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