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.different-bgcolor.mq-editable-field .mq-matrixed {
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<a href="http://github.com/laughinghan/mathquill"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_white_ffffff.png" alt="Fork me on GitHub!"></a>

<h1><a href="http://mathquill.github.com">MathQuill</a> Tests <small>local test page</small></h1>

<button id="show-textareas-button">Show Textareas</button>

<h3>MathQuill Editables</h3>

<p>In all editable fields, the selection should clear and ghost parens should solidify if you click outside, but not if you switch tabs/windows and switch back to this page.

<table id="editables">
<tr><th colspan=3>Initial LaTeX
<tr>
  <td><span class="mathquill-math-field">\frac{d}{dx}\sqrt{x}=\frac{1}{2\sqrt{x}}</span>
  <td><span class="mathquill-text-field">lolwut $a^2 + b^2 = c^2$.  Also, awesomesauce: $\int_0^1 \sin x dx.</span>
  <td><span class="mathquill-static-math">\sqrt{\MathQuillMathField{x^2+y^2}}</span>
</table>

<p>Touch taps/clicks/mousedown to drag should work anywhere in the blue box: <div class="math-container" style="border: solid 1px lightblue; height: 5em; width: 15em; line-height: 5em; text-align: center; -webkit-tap-highlight-color: rgba(0,0,0,0)"><span class="mathquill-math-field">x_{very\ long\ thing}^2 + a_0 = 0</span></div>

<h3>Redrawing</h3>
<p>
  <span id="reflowing-test">\sqrt{}</span>
  should look the same as
  <span class="mathquill-static-math">
    \sqrt{\pi\sqrt\sqrt\frac12}
  </span>
</p>
<script type="text/javascript">
  $(function() {
    var count = 0;
    MQ.MathField($('#reflowing-test')[0], {
      handlers: { edit: function() { count += 1; } }, // also test 'edit' hook
    }).focus().moveToLeftEnd().keystroke('Right');
    var textarea = $('#reflowing-test textarea');
    // paste some stuff that needs resizing
    textarea.trigger('paste');
    textarea.val('\\pi\\sqrt{\\sqrt{\\frac12}}');
    setTimeout(function() { if (count !== 1) throw 'reflow not called'; });
  });
</script>

<h3>Behavior Options</h3>

<p><span id="custom-behavior">x_a^b + \frac{\sqrt[n]{x}}{\frac{1}{2}}</span></p>
<p>Space should behave like Tab, left and right should go through the upper block, sums should start with <code>n=</code>, exponents should require an base, any of <code>+-=&lt;&gt;</code> should break out of an exponent, <code>pi</code>, <code>theta</code>, <code>sqrt</code>, and <code>sum</code> should all be auto-commands, but <code>only</code> should be the only auto-operator name (so <code>sin</code> etc. shouldn't automatically become non-italicized).</p>

<script>
$(function() {
  MQ.MathField($('#custom-behavior')[0], {
    spaceBehavesLikeTab: true,
    leftRightIntoCmdGoes: 'up',
    restrictMismatchedBrackets: true,
    sumStartsWithNEquals: true,
    supSubsRequireOperand: true,
    charsThatBreakOutOfSupSub: '+-=<>',
    autoSubscriptNumerals: true,
    autoCommands: 'pi theta sqrt sum',
    autoOperatorNames: 'only'
  });
});
</script>

<h3>Up/Down seeking and caching</h3>

<p>
  <span id="seek-test" class="mathquill-math-field">
    \frac{1}{\sqrt \sqrt \sqrt \sqrt \sqrt \sqrt x}
  </span>
</p>

<p>
&uarr; If you hit down from next to the 1, you should end up inside one of the square roots. If you hit up from the right of the x and then hit down again, you should end up where you were.
</p>

<h3>Horizontal overflow</h3>

<p>
<span id="overflow-test">
  \frac{d}{dx}\sqrt{x}=\frac{d}{dx}x^{\frac{1}{2}}=\frac{1}{2}x^{-\frac{1}{2}}=\frac{1}{2\sqrt{x}}
</span>
(for comparison: <input value="\frac{d}{dx}\sqrt{x}=\frac{d}{dx}x^{\frac{1}{2}}=\frac{1}{2}x^{-\frac{1}{2}}=\frac{1}{2\sqrt{x}}"/>)
</p>

<script>
$(function() {
  var overflowTest = $('#overflow-test');
  MQ.MathField(overflowTest[0]);
  var width = overflowTest.outerWidth(true);
  if (width !== 102) {
    throw 'math field '+width+'px wide instead of 102px';
  }
});
</script>

<h3>Selection Tests</h3>

<p id="selection-tests"><span class="mathquill-text-field different-bgcolor">lolwut $a^2 + b^2 = c^2$. $\sqrt{ \left( \frac{1}{2} \right) }$.  Also, awesomesauce: $\int_0^1 \sin x dx.</span>

<p>Time taken to Select All (should be &lt;50ms): <span id="selection-performance"></span>

<p>Even in IE&lt;9, the background color of the parens and square root radical should be the background color of the selection.

<h3>Dynamic mathquill-ification</h3>
<table id="dynamic-initial">
<tr><th colspan=3>Initial LaTeX
<tr>
  <td><span>\frac{d}{dx}\sqrt{x} = \frac{d}{dx}x^{\frac{1}{2}} = \frac{1}{2}x^{-\frac{1}{2}} = \frac{1}{2\sqrt{x}}</span>
  <td><span>\frac{d}{dx}\sqrt{x} = \frac{d}{dx}x^{\frac{1}{2}} = \frac{1}{2}x^{-\frac{1}{2}} = \frac{1}{2\sqrt{x}}</span>
  <td><span>\frac{d}{dx}\sqrt{x} = \frac{d}{dx}x^{\frac{1}{2}} = \frac{1}{2}x^{-\frac{1}{2}} = \frac{1}{2\sqrt{x}}</span>
<tr>
  <td><span>\frac{ \text{apples} }{ \text{oranges} } = \text{NaN}</span>
  <td><span>\frac{ \text{apples} }{ \text{oranges} } = \text{NaN}</span>
  <td><span>\frac{ \text{apples} }{ \text{oranges} } = \text{NaN}</span>
</table>
<table id="dynamic-reflow">
<tr><th colspan=3><code>MQ(...).reflow()</code>
<tr>
  <td><span>\sqrt{ \left ( \frac{x^2 + y^2}{2} \right ) } + \binom{n}{k}</span>
  <td><span>\sqrt{ \left ( \frac{x^2 + y^2}{2} \right ) } + \binom{n}{k}</span>
  <td><span>\sqrt{ \left ( \frac{x^2 + y^2}{2} \right ) } + \binom{n}{k}</span>
</table>

<h3>Static LaTeX rendering (<code>.mathquill-static-math</code>) tests</h3>
<table id="static-latex-rendering-table">
<tr><td><span class="mathquill-static-math">^{\frac{as}{ }df}</span><td><span>^{\frac{as}{ }df}</span>
<tr><td><span class="mathquill-static-math">e^{i\pi}+1=0</span><td><span>e^{i\pi}+1=0</span>
<tr><td><span class="mathquill-static-math">\sqrt[n]{1}</span><td><span>\sqrt[n]{1}</span>
<tr><td><span class="mathquill-static-math">\sin ^2x+\sin ^2\left(x\right)+\sin ^2(x)</span></td><td><span>\sin ^2x+\sin ^2\left(x\right)+\sin ^2(x)</span>
<tr><td><span class="mathquill-static-math">12a\sin b</span></td><td><span>12a\sin b</span>
<tr><td><span class="mathquill-static-math">1a^2 \sin b</span></td><td><span>1a^2 \sin b</span>
<tr><td><span class="mathquill-static-math">a + \sin b</span></td><td><span>a + \sin b</span>
<tr><td><span class="mathquill-static-math">a + b</span></td><td><span>a + b</span>
<tr><td><span class="mathquill-static-math">\sum\sin</span></td><td><span>\sum\sin</span>
<tr><td><span class="mathquill-static-math">\sum a</span></td><td><span>\sum a</span>
<tr><td><span class="mathquill-static-math">(\sin)</span></td><td><span>(\sin)</span>
<tr><td><span class="mathquill-static-math">\left(\sin\right)</span></td><td><span>\left(\sin\right)</span>
<tr><td><span class="mathquill-static-math">(x)\sin(x)</span></td><td><span>(x)\sin(x)</span>
<tr><td><span class="mathquill-static-math">\left(x\right)\sin\left(x\right)</span></td><td><span>\left(x\right)\sin\left(x\right)</span>
<tr><td><span class="mathquill-static-math">a \sin b</span></td><td><span>a \sin b</span>
<tr><td><span class="mathquill-static-math">-1 + +-2</span><td><span>-1 + +-2</span>
<tr><td><span class="mathquill-static-math">\left ( n+1 \right ) + \frac{1}{\frac{n}{k}} + \binom{n}{k}</span><td><span>\left ( n+1 \right ) + \frac{1}{\frac{n}{k}} + \binom{n}{k}</span>
<tr><td><span class="mathquill-static-math">x_{\frac{1}{\frac{2}{3}}}^{\frac{\frac{1}{2}}{3}}</span><td><span>x_{\frac{1}{\frac{2}{3}}}^{\frac{\frac{1}{2}}{3}}</span>
<tr><td><span class="mathquill-static-math" style="font-size:14.99px">\left(\frac{\frac{\frac{1}{2}}{\frac{3}{4}}}{\frac{\frac{5}{6}}{\frac{7}{8}}}\right)</span><td><span>\left(\frac{\frac{\frac{1}{2}}{\frac{3}{4}}}{\frac{\frac{5}{6}}{\frac{7}{8}}}\right)</span>
<tr><td><span class="mathquill-static-math" style="font-size:1.4375em">\left| a + \left| b \right| \right|</span><td><span>\left| a + \left| b \right| \right|</span>
<tr><td><span class="mathquill-static-math" style="font-size:1.4375em">\sqrt{x}+\sqrt{\frac{x}{\frac{ }{\frac{ }{ }}}}+\sqrt{\frac{x}{\frac{ }{\frac{ }{\frac{ }{\frac{ }{ }}}}}}</span><td><span>\sqrt{x}+\sqrt{\frac{x}{\frac{ }{\frac{ }{ }}}}+\sqrt{\frac{x}{\frac{ }{\frac{ }{\frac{ }{\frac{ }{ }}}}}}</span>
<tr><td><span class="mathquill-static-math">1+\sum_0^n+\sum_{i=0123}^n+\sum_0^{wordiness}</span><td><span>1+\sum_0^n+\sum_{i=0123}^n+\sum_0^{wordiness}</span>^M
<tr><td><span class="mathquill-static-math">x\ \ \ +\ \ \ y</span><td><span>x\ \ \ +\ \ \ y</span>^M
<tr><td><span class="mathquill-static-math">\sum _{n=0}^3\cos x</span><td><span>\sum _{n=0}^3\cos x</span>^M
<tr><td><span class="mathquill-static-math">\vec x + \tilde x + \vec A + \tilde A + \vec{abcd} + \tilde{abcd}</span><td><span>\vec x + \tilde x + \vec A + \tilde A + \vec{abcd} + \tilde{abcd}</span>^M
<tr><td><span class="mathquill-static-math">\int _{\phi =0}^{2\pi }\int _{\theta =0}^{\pi }\int _{r=0}^{\infty }f(r,\theta ,\phi )r^2\sin \theta drd\theta d\phi </span><td><span>\int _{\phi =0}^{2\pi }\int _{\theta =0}^{\pi }\int _{r=0}^{\infty }f(r,\theta ,\phi )r^2\sin \theta drd\theta d\phi </span>
<tr><td><span class="mathquill-static-math">\int_0^{\frac{\frac{1}{2}}{3}} \int_0^{\frac{1}{\frac{2}{3}}} \int_0^{\frac{1}{\frac{2}{\frac{3}{\frac{4}{5}}}}}</span><td><span>\int_0^{\frac{\frac{1}{2}}{3}} \int_0^{\frac{1}{\frac{2}{3}}} \int_0^{\frac{1}{\frac{2}{\frac{3}{\frac{4}{5}}}}}</span>
<tr><td colspan=2><span id="sixes"></span>
<script>
$(function() {
    var i,
        sixes = '',
        start = 10,
        end = 40;
    for (i = start; i <= end; i++) {
        sixes += '<span style="font-size: ' + i + 'px" class="mathquill-math-field">6<\/span>';
    }
    $('#sixes').html(sixes);
    $('#sixes .mathquill-math-field').each(function() { MQ.MathField(this); });
});
</script>
</table>

<p id="paren-alignment">Parentheses vertical alignment at font sizes ranging from 10px to 24px: <button>Click Me</button></p>
<script>
$('#paren-alignment button').click(function() {
  var html = '<div>';
  for (var i = 10; i <= 24; i += 1) {
    html += i+'px: <span class="mathquill-static-math" style="font-size:'+i+'px">\\left(\\left(\\left(\\left(\\left(\\left(\\left( \\right)\\right)\\right)\\right)\\right)\\right)\\right)+\\left(1\\right)+\\left(x\\right)+\\left(y\\right)+\\left(\\frac{1}{2}\\right)+\\left(\\frac{\\frac{1}{x}}{2}\\right)+\\left(\\frac{1}{\\frac{x}{2}}\\right)+\\left(\\frac{\\frac{\\frac{1}{2}}{\\frac{3}{4}}}{\\frac{\\frac{5}{6}}{\\frac{7}{8}}}\\right)</span><br>';
  }
  html += '</div>';
  $(html).insertAfter('#paren-alignment').find('.mathquill-static-math').each(function() {
    MQ.StaticMath(this);
  });
});
</script>

<h3>Dynamic rendering performance</h3>
<p id="latex-render-perf">LaTeX: <textarea></textarea> <button>&rarr;</button> <span class="mathquill-math-field"></span></p>
<p id="html-render-perf">HTML: <textarea></textarea> <button>&rarr;</button> <span class="mq-math-mode"></span></p>

<p>There should be no space between here <span class="mathquill-static-math">            </span>and here, even in IE8</p>

<h3>Textcolor</h3>

<p>Colors should match their names:
<span class="mathquill-static-math">
  \textcolor{#0000FF}{blue} + \textcolor{red}{red}
  = \textcolor { rgb(255, -10, 255) } {magenta}
</span>
</p>
<p>Nested <code>\textcolor</code>: the 2 should be red, the "a+" green, the 4 blue, and the "+b" green again.
<span class="mathquill-static-math">
e^{\textcolor{#FF0000}{2}}\sin(x^\textcolor{#00FF00}{{a+\textcolor{blue}{4}+b}})
</span>
</p>

<h3>Adding CSS class</h3>
<style type="text/css">
  .testclass { background-color: #5A8; border-radius: 5px; padding: 4px; font-weight:bold;color:gold;}
</style>
<p>Second term should be styled like <span class='testclass'>this</span>:
  <span class="mathquill-static-math">
x+\class{testclass}{y}+z
</span>
</p>

<h3>substituteTextarea</h3>

<p>In Safari on iOS, this should be focusable but not bring up the on-screen keyboard; to test, try focusing anything else and confirm this blurs: <span id="no-kbd-math"></span> (confirmed working on iOS 6.1.3)</p>

</div>
<script type="text/javascript">
window.onerror = function() {
  $('html').css('background', 'red');
};
</script>
<script type="text/javascript" src="../build/mathquill.js"></script>
<script type="text/javascript">
MQ = MathQuill.getInterface(MathQuill.getInterface.MAX);

$('#show-textareas-button').click(function() {
  $(document.body).toggleClass('show-textareas');
});

//on document ready, mathquill-ify all `<tag class="mathquill-*">latex</tag>`
//elements according to their CSS class.
$(function() {
  $('.mathquill-static-math').each(function() { MQ.StaticMath(this); });
  $('.mathquill-math-field').each(function() { MQ.MathField(this); });
  $('.mathquill-text-field').each(function() { MQ.TextField(this); });
});

// test selecting from outside the mathquill editable
var $mq = $('.math-container .mathquill-math-field');
$('.math-container').mousedown(function(e) {
  if (e.target === $mq[0] || $.contains($mq[0], e.target)) return;
  $mq.triggerHandler(e);
})
// test API for "fast touch taps" #622 & #403
.on('touchstart', function() {
  var moved = false;
  $(this).on('touchmove.tmp', function() { moved = true; })
  .on('touchend.tmp', function(e) {
    $(this).off('.tmp');
    MathQuill($mq[0]).ignoreNextMousedown(function() {
      return Date.now() < e.timeStamp + 1000;
    });
    if (moved) return; // note that this happens after .ignoreNextMousedown()
      // because even if the touch gesture doesn't 'count' as a tap to us,
      // we still want to suppress the legacy mouse events, else we'd react
      // fast to some taps and slow to others, that'd be weird
    var touch = e.originalEvent.changedTouches[0];
    MathQuill($mq[0]).clickAt(touch.clientX, touch.clientY, touch.target);
  });
});

// Selection Tests
document.body.onload = function() {
  setTimeout(function() {
    $('#selection-tests .mathquill-text-field').each(function() {
      var start = +new Date;
      $('textarea', this).focus().trigger({type: 'keydown', ctrlKey: true, which: 65});
      $('#selection-performance').html(new Date - start);
    });
  });
};

// Dynamic MathQuill-ification
// Initial LaTeX
$('#dynamic-initial tr').each(function() {
  var math = $('span', this);
  if (!math.length) return;

  MQ.StaticMath(math[0]);
  MQ.MathField(math[1]);
  MQ.MathField(math[2]).revert();
});
// MQ(...).reflow()
$('#dynamic-reflow tr').each(function() {
  var math = $('span', this), td;
  if (!math.length) return;

  td = math.eq(0).parent();
  math.eq(0).detach();
  MQ.StaticMath(math[0]);
  math.eq(0).appendTo(td);
  MQ(math[0]).reflow();

  td = math.eq(1).parent();
  math.eq(1).detach();
  MQ.MathField(math[1]);
  math.eq(1).appendTo(td);
  MQ(math[1]).reflow();

  td = math.eq(2).parent();
  math.eq(2).detach();
  MQ.MathField(math[2]).revert();
  math.eq(2).appendTo(td);
  if (MQ(math[2])) throw 'should been have reverted';
});

// Dynamic rendering performance
function Avgs() {
  return {
    avgs: {},
    add: function(k, v) {
      if (!this.avgs[k]) this.avgs[k] = { n: 0, avg: 0 };
      var avgObj = this.avgs[k];
      avgObj.avg = (avgObj.n*avgObj.avg + v) / (avgObj.n + 1);
      avgObj.n += 1;
      return avgObj.avg + 'ms (across ' + avgObj.n + ' trials)';
    }
  };
}
var performance = window.performance || Date;
window.rawLogs = [];
function timeAndLog(f) {
  var currentLog = [];
  $.fn.mathquill.setLogFn(function(msg) {
    currentLog.push({ msg: msg, now: performance.now() });
  });
  var start = performance.now();
  f();
  var duration = performance.now() - start;
  $.fn.mathquill.setLogFn($.noop);

  var timeline = [], prev = 0;
  for (var i = 0; i < currentLog.length; i += 1) {
    var now = Math.round((currentLog[i].now - start)*1000);
    timeline.push(now + ': [' + (now - prev) + 'µs] ' + currentLog[i].msg);
    prev = now;
  }
  timeline = timeline.join('\n');

  rawLogs.push({
    start: start,
    duration: duration,
    log: currentLog,
    timeline: timeline
  });
  if (timeline.length) {
    // for tablets without a console
    if (location.hash === '#alert') alert(timeline);
    else console.log(timeline);
  }
  return duration;
};
(function() {
  var textarea = $('#latex-render-perf textarea');
  var mathquill = $('#latex-render-perf .mathquill-math-field');
  var avgs = Avgs();
  $('#latex-render-perf button').click(function() {
    var latex = textarea.val();
    var duration = timeAndLog(function() {
      mathquill.mathquill('latex', latex);
    });
    $('#html-render-perf').after('<p>'+duration+'ms rendering <code>'+latex+'</code>, for an average of '+avgs.add(latex, duration)+'</p>');
    $('#html-render-perf textarea').val(mathquill.mathquill('html'));
  });
}());
(function() {
  var textarea = $('#html-render-perf textarea');
  var span = $('#html-render-perf span');
  var avgs = Avgs();
  $('#html-render-perf button').click(function() {
    var html = textarea.val();
    var duration = timeAndLog(function() {
      span.html(html);
    });
    $('<p>'+duration+'ms rendering <code></code>, for an average of '+avgs.add(html, duration)+'</p>').find('code').text(html).end()
      .insertAfter('#html-render-perf');
  });
}());

MQ.MathField($('#no-kbd-math')[0], {
  substituteTextarea: function() {
    return $('<span tabindex=0 style="display:inline-block;width:1px;height:1px" />')[0];
  }
});
</script>
</body>
</html>