Zepto vs. jQ vs. raw JS Dom

JavaScript performance comparison

Revision 69 of this test case created

Info

Zepto vs. Jquery vs. raw JS for getting an element by id

Preparation code

<script src="//zeptojs.com/zepto.min.js">
</script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="mw-page-base" class="noprint">
</div>
<div id="mw-head-base" class="noprint">
</div>
<!-- content -->
<div id="content" class="mw-body">
  <a id="top"></a>
  <div id="mw-js-message" style="display:none;">
  </div>
  <!-- sitenotice -->
  <div id="siteNotice">
    <!-- centralNotice loads here -->
  </div>
  <!-- /sitenotice -->
  <!-- firstHeading -->
  <h1 id="firstHeading" class="firstHeading">
    <span dir="auto">
      FD
    </span>
  </h1>
  <!-- /firstHeading -->
  <!-- bodyContent -->
  <div id="bodyContent">
    <!-- tagline -->
    <div id="siteSub">
      From Wikipedia, the free encyclopedia
    </div>
    <!-- /tagline -->
    <!-- subtitle -->
    <div id="contentSub">
    </div>
    <!-- /subtitle -->
    <!-- jumpto -->
    <div id="jump-to-nav" class="mw-jump">
      Jump to:
      <a href="#mw-head">navigation</a>
      ,
      <a href="#p-search">search</a>
    </div>
    <!-- /jumpto -->
    <!-- bodycontent -->
    <div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr">
      <table class="metadata mbox-small plainlinks" style="border:1px solid #aaa; background-color:#f9f9f9;">
        <tr>
          <td class="mbox-image">
            <img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Wiktionary-logo-en.svg/37px-Wiktionary-logo-en.svg.png"
            width="37" height="40" />
          </td>
          <td class="mbox-text" style="">
            Look up
            <i>
              <b>
                <a class="external text" href="//en.wiktionary.org/wiki/Special:Search/fd">fd</a>
              </b>
            </i>
            in Wiktionary, the free dictionary.
          </td>
        </tr>
      </table>
      <table cellspacing="0" cellpadding="0" style="clear: right; margin-bottom: .5em; float: right; padding: .5em 0 .8em 1.4em; background: none; width: auto;">
        <tr>
          <td>
            <table id="toc" class="toc">
              <tr>
                <td>
                  <div id="toctitle">
                    <h2>
                      Contents
                    </h2>
                  </div>
                  <ul>
                    <li class="toclevel-1 tocsection-1">
                      <a href="#Transportation"><span class="tocnumber">1</span> <span class="toctext">Transportation</span></a>
                    </li>
                    <li class="toclevel-1 tocsection-2">
                      <a href="#Medical"><span class="tocnumber">2</span> <span class="toctext">Medical</span></a>
                    </li>
                    <li class="toclevel-1 tocsection-3">
                      <a href="#Science_.26_Technology"><span class="tocnumber">3</span> <span class="toctext">Science &amp; Technology</span></a>
                    </li>
                    <li class="toclevel-1 tocsection-4">
                      <a href="#Other_uses"><span class="tocnumber">4</span> <span class="toctext">Other uses</span></a>
                    </li>
                    <li class="toclevel-1 tocsection-5">
                      <a href="#See_also"><span class="tocnumber">5</span> <span class="toctext">See also</span></a>
                    </li>
                  </ul>
                </td>
              </tr>
            </table>
          </td>
        </tr>
      </table>
      <p>
        <b>
          FD
        </b>
        may stand for:
      </p>
      <h2>
        <span class="editsection">
          [
          <a href="/w/index.php?title=FD&amp;action=edit&amp;section=1" title="Edit section: Transportation">edit</a>
          ]
        </span>
        <span class="mw-headline" id="Transportation">
          Transportation
        </span>
      </h2>
      <ul>
        <li>
          <a href="/wiki/Thai_AirAsia" title="Thai AirAsia">Thai AirAsia</a>
          's IATA code
        </li>
        <li>
          <a href="/wiki/Mazda_RX-7" title="Mazda RX-7">Mazda RX-7</a>
          's model designation
        </li>
        <li>
          <a href="/wiki/FH_Phantom" title="FH Phantom" class="mw-redirect">FH Phantom</a>
          or FD Phantom, a jet fighter
        </li>
        <li>
          <a href="/wiki/Steam_locomotive_FD" title="Steam locomotive FD" class="mw-redirect">Steam locomotive FD</a>
          , a Soviet steam locomotive
        </li>
        <li>
          <a href="/wiki/Flight_director_(aviation)" title="Flight director (aviation)">Flight director (aviation)</a>
        </li>
        <li>
          <a href="/wiki/Flying_Dutchman_(dinghy)" title="Flying Dutchman (dinghy)">Flying Dutchman (dinghy)</a>
        </li>
      </ul>
      <h2>
        <span class="editsection">
          [
          <a href="/w/index.php?title=FD&amp;action=edit&amp;section=2" title="Edit section: Medical">edit</a>
          ]
        </span>
        <span class="mw-headline" id="Medical">
          Medical
        </span>
      </h2>
      <ul>
        <li>
          <a href="/wiki/Familial_dysautonomia" title="Familial dysautonomia">Familial dysautonomia</a>
          or Riley-Day syndrome, a nervous system disorder
        </li>
        <li>
          <a href="/wiki/Fabry_disease" title="Fabry disease">Fabry disease</a>
        </li>
      </ul>
      <h2>
        <span class="editsection">
          [
          <a href="/w/index.php?title=FD&amp;action=edit&amp;section=3" title="Edit section: Science &amp; Technology">edit</a>
          ]
        </span>
        <span class="mw-headline" id="Science_.26_Technology">
          Science &amp; Technology
        </span>
      </h2>
      <ul>
        <li>
          <a href="/wiki/Canon_FD_lens_mount" title="Canon FD lens mount">Canon FD lens mount</a>
        </li>
        <li>
          F–D, as in
          <a href="/wiki/Fermi%E2%80%93Dirac_statistics" title="Fermi–Dirac statistics">Fermi–Dirac statistics</a>
        </li>
        <li>
          <a href="/wiki/Ferredoxin" title="Ferredoxin">Ferredoxin</a>
          (fd), a molecule functioning in electron transfer
        </li>
        <li>
          <a href="/wiki/File_descriptor" title="File descriptor">File descriptor</a>
          , a component in the Unix operating system
        </li>
        <li>
          <a href="/wiki/Finite_difference" title="Finite difference">Finite difference</a>
          , a mathematical expression
        </li>
        <li>
          <a href="/wiki/Floppy_disk" title="Floppy disk">Floppy disk</a>
          , a data storage device
        </li>
        <li>
          <a href="/wiki/FreeDOS" title="FreeDOS">FreeDOS</a>
          (FD), an open-source DOS-compatible operating system
        </li>
        <li>
          <a href="/wiki/Functional_dependency" title="Functional dependency">Functional dependency</a>
          , a constraint in a relation from a database
        </li>
        <li>
          <a href="/wiki/Full_disclosure" title="Full disclosure">Full disclosure</a>
        </li>
      </ul>
      <h2>
        <span class="editsection">
          [
          <a href="/w/index.php?title=FD&amp;action=edit&amp;section=4" title="Edit section: Other uses">edit</a>
          ]
        </span>
        <span class="mw-headline" id="Other_uses">
          Other uses
        </span>
      </h2>
      <ul>
        <li>
          <a href="/wiki/Felony_disenfranchisement" title="Felony disenfranchisement">Felony disenfranchisement</a>
          , restricting former felons from voting in an election
        </li>
        <li>
          <a href="/wiki/Fidei_defensor" title="Fidei defensor">Fidei defensor</a>
        </li>
        <li>
          <a href="/wiki/Fire_department" title="Fire department">Fire department</a>
        </li>
        <li>
          <a href="/wiki/Fortified_District" title="Fortified District">Fortified District</a>
          , a defensive fortified organization of the Imperial Japanese Army (World War II)
        </li>
        <li>
          <a href="/wiki/Foundation_Degree" title="Foundation Degree" class="mw-redirect">Foundation Degree</a>
          , a vocational qualification in the United Kingdom
        </li>
        <li>
          <a href="/wiki/Free_dance_(figure_skating)" title="Free dance (figure skating)">Free dance (figure skating)</a>
          , usually the third part of an ice dancing competition
        </li>
        <li>
          <a href="/wiki/Funeral_director" title="Funeral director">Funeral director</a>
          , a professional involved in the business of funeral rites
        </li>
        <li>
          <a href="/wiki/St._John%27s_Fog_Devils" title="St. John's Fog Devils">St. John's Fog Devils</a>
          , the name for a former Quebec Major Junior Hockey League team based in St. John's
          in Newfoundland and Labrador, Canada
        </li>
      </ul>
      <h2>
        <span class="editsection">
          [
          <a href="/w/index.php?title=FD&amp;action=edit&amp;section=5" title="Edit section: See also">edit</a>
          ]
        </span>
        <span class="mw-headline" id="See_also">
          See also
        </span>
      </h2>
      <ul>
        <li>
          <a href="/wiki/Flash_drive" title="Flash drive">Flash drive</a>
        </li>
        <li>
          <a href="/wiki/Full-duplex" title="Full-duplex" class="mw-redirect">Full-duplex</a>
          (FDX), the description for a two way communication system
        </li>
      </ul>
      <table id="disambigbox" class="metadata plainlinks dmbox dmbox-disambig" style="">
        <tr>
          <td class="mbox-image" style="padding: 2px 0 2px 0.4em;">
            <a href="/wiki/File:Disambig_gray.svg" class="image"><img alt="Disambiguation icon" src="//upload.wikimedia.org/wikipedia/en/thumb/5/5f/Disambig_gray.svg/30px-Disambig_gray.svg.png" width="30" height="23" /></a>
          </td>
          <td class="mbox-text" style="padding: 0.25em 0.4em; font-style: italic;">
            This
            <a href="/wiki/Help:Disambiguation" title="Help:Disambiguation">disambiguation</a>
            page lists articles associated with the same title.
            <br />
            <small>
              If an
              <a class="external text" href="//en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/FD&amp;namespace=0">internal link</a>
              led you here, you may wish to change the link to point directly to the intended
              article.
            </small>
          </td>
        </tr>
      </table>
      <!-- NewPP limit report Preprocessor node count: 1325/1000000 Post-expand include
      size: 4354/2048000 bytes Template argument size: 1274/2048000 bytes Expensive parser
      function count: 0/500 -->
      <!-- Saved in parser cache with key enwiki:pcache:idhash:418966-0!*!0!!en!4!* and
      timestamp 20120322092400 -->
    </div>
    <!-- /bodycontent -->
    <!-- printfooter -->
    <div class="printfooter">
      Retrieved from "
      <a href="http://en.wikipedia.org/w/index.php?title=FD&amp;oldid=480170548">http://en.wikipedia.org/w/index.php?title=FD&amp;oldid=480170548</a>
      "
    </div>
    <!-- /printfooter -->
    <!-- catlinks -->
    <div id='catlinks' class='catlinks'>
      <div id="mw-normal-catlinks" class="mw-normal-catlinks">
        <a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>
        :
        <ul>
          <li>
            <a href="/wiki/Category:Disambiguation_pages" title="Category:Disambiguation pages">Disambiguation pages</a>
          </li>
        </ul>
      </div>
      <div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">
        Hidden categories:
        <ul>
          <li>
            <a href="/wiki/Category:All_article_disambiguation_pages" title="Category:All article disambiguation pages">All article disambiguation pages</a>
          </li>
          <li>
            <a href="/wiki/Category:All_disambiguation_pages" title="Category:All disambiguation pages">All disambiguation pages</a>
          </li>
          <li>
            <a href="/wiki/Category:Article_Feedback_Blacklist" title="Category:Article Feedback Blacklist">Article Feedback Blacklist</a>
          </li>
        </ul>
      </div>
    </div>
    <!-- /catlinks -->
    <div class="visualClear">
    </div>
    <!-- debughtml -->
    <!-- /debughtml -->
  </div>
  <!-- /bodyContent -->
</div>
<!-- /content -->
<!-- header -->
<div id="mw-head" class="noprint">
  <!-- 0 -->
  <div id="p-personal" class="">
    <h5>
      Personal tools
    </h5>
    <ul>
      <li id="pt-login">
        <a href="/w/index.php?title=Special:UserLogin&amp;returnto=FD" title="You are encouraged to log in; however, it is not mandatory. [o]"
        accesskey="o">Log in / create account</a>
      </li>
    </ul>
  </div>
  <!-- /0 -->
  <div id="left-navigation">
    <!-- 0 -->
    <div id="p-namespaces" class="vectorTabs">
      <h5>
        Namespaces
      </h5>
      <ul>
        <li id="ca-nstab-main" class="selected">
          <span>
            <a href="/wiki/FD" title="View the content page [c]" accesskey="c">Article</a>
          </span>
        </li>
        <li id="ca-talk">
          <span>
            <a href="/wiki/Talk:FD" title="Discussion about the content page [t]" accesskey="t">Talk</a>
          </span>
        </li>
      </ul>
    </div>
    <!-- /0 -->
    <!-- 1 -->
    <div id="p-variants" class="vectorMenu emptyPortlet">
      <h4>
      </h4>
      <h5>
        <span>
          Variants
        </span>
        <a href="#"></a>
      </h5>
      <div class="menu">
        <ul>
        </ul>
      </div>
    </div>
    <!-- /1 -->
  </div>
  <div id="right-navigation">
    <!-- 0 -->
    <div id="p-views" class="vectorTabs">
      <h5>
        Views
      </h5>
      <ul>
        <li id="ca-view" class="selected">
          <span>
            <a href="/wiki/FD">Read</a>
          </span>
        </li>
        <li id="ca-edit">
          <span>
            <a href="/w/index.php?title=FD&amp;action=edit" title="You can edit this page. &#10;Please use the preview button before saving. [e]"
            accesskey="e">Edit</a>
          </span>
        </li>
        <li id="ca-history" class="collapsible">
          <span>
            <a href="/w/index.php?title=FD&amp;action=history" title="Past versions of this page [h]"
            accesskey="h">View history</a>
          </span>
        </li>
      </ul>
    </div>
    <!-- /0 -->
    <!-- 1 -->
    <div id="p-cactions" class="vectorMenu emptyPortlet">
      <h5>
        <span>
          Actions
        </span>
        <a href="#"></a>
      </h5>
      <div class="menu">
        <ul>
        </ul>
      </div>
    </div>
    <!-- /1 -->
    <!-- 2 -->
    <div id="p-search">
      <h5>
        <label for="searchInput">
          Search
        </label>
      </h5>
      <form action="/w/index.php" id="searchform">
        <div id="simpleSearch">
          <input type="text" name="search" value="" title="Search Wikipedia [f]" accesskey="f"
          id="searchInput" />
          <button type="submit" name="button" title="Search Wikipedia for this text" id="searchButton">
            <img src="//bits.wikimedia.org/skins-1.19/vector/images/search-ltr.png?303-4" alt="Search"
            />
          </button>
          <input type='hidden' name="title" value="Special:Search" />
        </div>
      </form>
    </div>
    <!-- /2 -->
  </div>
</div>
<!-- /header -->
<!-- panel -->
<div id="mw-panel" class="noprint">
  <!-- logo -->
  <div id="p-logo">
    <a style="background-image: url(//upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png);"
    href="/wiki/Main_Page" title="Visit the main page"></a>
  </div>
  <!-- /logo -->
  <!-- navigation -->
  <div class="portal" id='p-navigation'>
    <h5>
      Navigation
    </h5>
    <div class="body">
      <ul>
        <li id="n-mainpage-description">
          <a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z">Main page</a>
        </li>
        <li id="n-contents">
          <a href="/wiki/Portal:Contents" title="Guides to browsing Wikipedia">Contents</a>
        </li>
        <li id="n-featuredcontent">
          <a href="/wiki/Portal:Featured_content" title="Featured content – the best of Wikipedia">Featured content</a>
        </li>
        <li id="n-currentevents">
          <a href="/wiki/Portal:Current_events" title="Find background information on current events">Current events</a>
        </li>
        <li id="n-randompage">
          <a href="/wiki/Special:Random" title="Load a random article [x]" accesskey="x">Random article</a>
        </li>
        <li id="n-sitesupport">
          <a href="//wikimediafoundation.org/wiki/Special:Landingcheck?landing_page=WMFJA085&amp;language=en&amp;utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=20101204SB002"
          title="Support us">Donate to Wikipedia</a>
        </li>
      </ul>
    </div>
  </div>
  <!-- /navigation -->
  <!-- SEARCH -->
  <!-- /SEARCH -->
  <!-- interaction -->
  <div class="portal" id='p-interaction'>
    <h5>
      Interaction
    </h5>
    <div class="body">
      <ul>
        <li id="n-help">
          <a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia">Help</a>
        </li>
        <li id="n-aboutsite">
          <a href="/wiki/Wikipedia:About" title="Find out about Wikipedia">About Wikipedia</a>
        </li>
        <li id="n-portal">
          <a href="/wiki/Wikipedia:Community_portal" title="About the project, what you can do, where to find things">Community portal</a>
        </li>
        <li id="n-recentchanges">
          <a href="/wiki/Special:RecentChanges" title="A list of recent changes in the wiki [r]"
          accesskey="r">Recent changes</a>
        </li>
        <li id="n-contact">
          <a href="/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia">Contact Wikipedia</a>
        </li>
      </ul>
    </div>
  </div>
  <!-- /interaction -->
  <!-- TOOLBOX -->
  <div class="portal" id='p-tb'>
    <h5>
      Toolbox
    </h5>
    <div class="body">
      <ul>
        <li id="t-whatlinkshere">
          <a href="/wiki/Special:WhatLinksHere/FD" title="List of all English Wikipedia pages containing links to this page [j]"
          accesskey="j">What links here</a>
        </li>
        <li id="t-recentchangeslinked">
          <a href="/wiki/Special:RecentChangesLinked/FD" title="Recent changes in pages linked from this page [k]"
          accesskey="k">Related changes</a>
        </li>
        <li id="t-upload">
          <a href="/wiki/Wikipedia:Upload" title="Upload files [u]" accesskey="u">Upload file</a>
        </li>
        <li id="t-specialpages">
          <a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q">Special pages</a>
        </li>
        <li id="t-permalink">
          <a href="/w/index.php?title=FD&amp;oldid=480170548" title="Permanent link to this revision of the page">Permanent link</a>
        </li>
        <li id="t-cite">
          <a href="/w/index.php?title=Special:Cite&amp;page=FD&amp;id=480170548" title="Information on how to cite this page">Cite this page</a>
        </li>
      </ul>
    </div>
  </div>
  <!-- /TOOLBOX -->
  <!-- coll-print_export -->
  <div class="portal" id='p-coll-print_export'>
    <h5>
      Print/export
    </h5>
    <div class="body">
      <ul id="collectionPortletList">
        <li id="coll-create_a_book">
          <a href="/w/index.php?title=Special:Book&amp;bookcmd=book_creator&amp;referer=FD"
          title="Create a book or page collection" rel="nofollow">Create a book</a>
        </li>
        <li id="coll-download-as-rl">
          <a href="/w/index.php?title=Special:Book&amp;bookcmd=render_article&amp;arttitle=FD&amp;oldid=480170548&amp;writer=rl"
          title="Download a PDF version of this wiki page" rel="nofollow">Download as PDF</a>
        </li>
        <li id="t-print">
          <a href="/w/index.php?title=FD&amp;printable=yes" title="Printable version of this page [p]"
          accesskey="p">Printable version</a>
        </li>
      </ul>
    </div>
  </div>
  <!-- /coll-print_export -->
  <!-- LANGUAGES -->
  <div class="portal" id='p-lang'>
    <h5>
      Languages
    </h5>
    <div class="body">
      <ul>
        <li class="interwiki-de">
          <a href="//de.wikipedia.org/wiki/FD" title="FD" lang="de" hreflang="de">Deutsch</a>
        </li>
        <li class="interwiki-es">
          <a href="//es.wikipedia.org/wiki/FD" title="FD" lang="es" hreflang="es">Español</a>
        </li>
        <li class="interwiki-fa">
          <a href="//fa.wikipedia.org/wiki/FD" title="FD" lang="fa" hreflang="fa">فارسی</a>
        </li>
        <li class="interwiki-fr">
          <a href="//fr.wikipedia.org/wiki/FD" title="FD" lang="fr" hreflang="fr">Français</a>
        </li>
        <li class="interwiki-ko">
          <a href="//ko.wikipedia.org/wiki/FD" title="FD" lang="ko" hreflang="ko">한국어</a>
        </li>
        <li class="interwiki-it">
          <a href="//it.wikipedia.org/wiki/FD" title="FD" lang="it" hreflang="it">Italiano</a>
        </li>
        <li class="interwiki-sw">
          <a href="//sw.wikipedia.org/wiki/FD" title="FD" lang="sw" hreflang="sw">Kiswahili</a>
        </li>
        <li class="interwiki-lt">
          <a href="//lt.wikipedia.org/wiki/FD" title="FD" lang="lt" hreflang="lt">Lietuvių</a>
        </li>
        <li class="interwiki-nl">
          <a href="//nl.wikipedia.org/wiki/FD" title="FD" lang="nl" hreflang="nl">Nederlands</a>
        </li>
        <li class="interwiki-ja">
          <a href="//ja.wikipedia.org/wiki/FD" title="FD" lang="ja" hreflang="ja">日本語</a>
        </li>
        <li class="interwiki-ru">
          <a href="//ru.wikipedia.org/wiki/FD" title="FD" lang="ru" hreflang="ru">Русский</a>
        </li>
        <li class="interwiki-sv">
          <a href="//sv.wikipedia.org/wiki/FD" title="FD" lang="sv" hreflang="sv">Svenska</a>
        </li>
        <li class="interwiki-zh">
          <a href="//zh.wikipedia.org/wiki/FD" title="FD" lang="zh" hreflang="zh">中文</a>
        </li>
      </ul>
    </div>
  </div>
  <!-- /LANGUAGES -->
</div>
<!-- /panel -->
<!-- footer -->
<div id="footer">
  <ul id="footer-info">
    <li id="footer-info-lastmod">
      This page was last modified on 22 March 2012 at 09:24.
      <br />
    </li>
    <li id="footer-info-copyright">
      Text is available under the
      <a rel="license" href="//en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License">Creative Commons Attribution-ShareAlike License</a>
      <a rel="license" href="//creativecommons.org/licenses/by-sa/3.0/" style="display:none;"></a>
      ; additional terms may apply. See
      <a href="//wikimediafoundation.org/wiki/Terms_of_use">Terms of use</a>
      for details.
      <br/>
      Wikipedia&reg; is a registered trademark of the
      <a href="//www.wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>
      , a non-profit organization.
      <br />
    </li>
    <li class="noprint">
      <a class='internal' href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact us</a>
    </li>
  </ul>
  <ul id="footer-places">
    <li id="footer-places-privacy">
      <a href="//wikimediafoundation.org/wiki/Privacy_policy" title="wikimedia:Privacy policy">Privacy policy</a>
    </li>
    <li id="footer-places-about">
      <a href="/wiki/Wikipedia:About" title="Wikipedia:About">About Wikipedia</a>
    </li>
    <li id="footer-places-disclaimer">
      <a href="/wiki/Wikipedia:General_disclaimer" title="Wikipedia:General disclaimer">Disclaimers</a>
    </li>
    <li id="footer-places-mobileview">
      <a href='//en.m.wikipedia.org/w/index.php?title=FD&amp;useformat=mobile' class='noprint'>Mobile view</a>
    </li>
  </ul>
  <ul id="footer-icons" class="noprint">
    <li id="footer-copyrightico">
      <a href="//wikimediafoundation.org/"><img src="//bits.wikimedia.org/images/wikimedia-button.png" width="88" height="31" alt="Wikimedia Foundation"/></a>
    </li>
    <li id="footer-poweredbyico">
      <a href="//www.mediawiki.org/"><img src="//bits.wikimedia.org/skins-1.19/common/images/poweredby_mediawiki_88x31.png" alt="Powered by MediaWiki" width="88" height="31" /></a>
    </li>
  </ul>
  <div style="clear:both">
  </div>
</div>
<script>
  Benchmark.prototype.setup = function() {
    function el(string) {
      if (string.charAt(0) === '#') {
        return document.getElementById(string.substr(1, string.length));
      }
    }
    
    
    //to be fair, I'll wrap getElementById in a function and return the object
    var boolean = true;
    function byId(id) {
      if (boolean) return document.getElementById(id);
    }
  };
</script>

Preparation code output

FD

From Wikipedia, the free encyclopedia
Jump to: navigation , search
Look up fd in Wiktionary, the free dictionary.

Contents

FD may stand for:

[ edit ] Transportation

[ edit ] Medical

[ edit ] Science & Technology

[ edit ] Other uses

[ edit ] See also

Retrieved from " http://en.wikipedia.org/w/index.php?title=FD&oldid=480170548 "
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$('#n-contents')
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$('#n-contents')
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byId('n-contents')
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el('#n-contents')
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Straight getElementById
 
document.getElementById('n-contents')
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