ect as the data for the cookie.  For example,</p>
<div class="highlight-javascript"><div class="highlight"><pre><span class="nx">MathJax</span><span class="p">.</span><span class="nx">HTML</span><span class="p">.</span><span class="nx">Cookie</span><span class="p">.</span><span class="nx">Set</span><span class="p">(</span><span class="s2">&quot;test&quot;</span><span class="p">,{</span><span class="nx">x</span><span class="o">:</span><span class="mi">42</span><span class="p">,</span> <span class="nx">y</spa