Openresty/Openresty编程.pdf



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    <div class="border rounded-1 flex-shrink-0 bg-gray px-1 text-gray-light ml-1 f6 d-none js-jump-to-badge-search">
      <span class="js-jump-to-badge-search-text-default d-none" aria-label="in this repository">
        In this repository
      </span>
      <span class="js-jump-to-badge-search-text-global d-none" aria-label="in all of GitHub">
        All GitHub
      </span>
      <span aria-hidden="true" class="d-inline-block ml-1 v-align-middle">↵</span>
    </div>

    <div aria-hidden="true" class="border rounded-1 flex-shrink-0 bg-gray px-1 text-gray-light ml-1 f6 d-none d-on-nav-focus js-jump-to-badge-jump">
      Jump to
      <span class="d-inline-block ml-1 v-align-middle">↵</span>
    </div>
  </a>
</li>


    <li class="d-flex flex-justify-center flex-items-center p-0 f5 js-jump-to-suggestion">
      <img src="https://github.githubassets.com/images/spinners/octocat-spinner-128.gif" alt="Octocat Spinner Icon" class="m-2" width="28">
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</ul>

            </div>
      </label>
</form>  </div>
</div>


      <nav class="d-flex flex-column flex-lg-row flex-self-stretch flex-lg-self-auto" aria-label="Global">
    <a class="Header-link d-block d-lg-none py-2 py-lg-0 border-top border-lg-top-0 border-white-fade-15" data-ga-click="Header, click, Nav menu - item:dashboard:user" aria-label="Dashboard" href="/dashboard">
      Dashboard
</a>
  <a class="js-selected-navigation-item Header-link  mr-0 mr-lg-3 py-2 py-lg-0 border-top border-lg-top-0 border-white-fade-15" data-hotkey="g p" data-ga-click="Header, click, Nav menu - item:pulls context:user" aria-label="Pull requests you created" data-selected-links="/pulls /pulls/assigned /pulls/mentioned /pulls" href="/pulls">
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      <a class="js-selected-navigation-item Header-link" data-ga-click="Header, click, Nav menu - item:marketplace context:user" data-octo-click="marketplace_click" data-octo-dimensions="location:nav_bar" data-selected-links=" /marketplace" href="/marketplace">
        Marketplace
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    </div>

  <a class="js-selected-navigation-item Header-link  mr-0 mr-lg-3 py-2 py-lg-0 border-top border-lg-top-0 border-white-fade-15" data-ga-click="Header, click, Nav menu - item:explore" data-selected-links="/explore /trending /trending/developers /integrations /integrations/feature/code /integrations/feature/collaborate /integrations/feature/ship showcases showcases_search showcases_landing /explore" href="/explore">
    Explore
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    <a class="Header-link d-block d-lg-none mr-0 mr-lg-3 py-2 py-lg-0 border-top border-lg-top-0 border-white-fade-15" href="https://github.com/Tinywan">
      <img class="avatar" height="20" width="20" alt="@Tinywan" src="https://avatars2.githubusercontent.com/u/14959876?s=60&amp;v=4" />
      Tinywan
</a>
    <!-- '"` --><!-- </textarea></xmp> --></option></form><form action="/logout" accept-charset="UTF-8" method="post"><input name="utf8" type="hidden" value="&#x2713;" /><input type="hidden" name="authenticity_token" value="apBEEfUHOO4Z+nN3l5QFkIEXFpbSqNdP44nhjs5jc1xJPhC9nQav+jE7tyPSIEa5rk2qX1KMOhsFbNpoJezNhQ==" />
      <button type="submit" class="Header-link mr-0 mr-lg-3 py-2 py-lg-0 border-top border-lg-top-0 border-white-fade-15 d-lg-none btn-link d-block width-full text-left" data-ga-click="Header, sign out, icon:logout" style="padding-left: 2px;">
        <svg class="octicon octicon-sign-out v-align-middle" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M12 9V7H8V5h4V3l4 3-4 3zm-2 3H6V3L2 1h8v3h1V1c0-.55-.45-1-1-1H1C.45 0 0 .45 0 1v11.38c0 .39.22.73.55.91L6 16.01V13h4c.55 0 1-.45 1-1V8h-1v4z"/></svg>
        Sign out
      </button>
</form></nav>

    </div>

    <div class="Header-item Header-item--full flex-justify-center d-lg-none position-relative">
      <div class="css-truncate css-truncate-target width-fit position-absolute left-0 right-0 text-center">
              <svg class="octicon octicon-repo" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M4 9H3V8h1v1zm0-3H3v1h1V6zm0-2H3v1h1V4zm0-2H3v1h1V2zm8-1v12c0 .55-.45 1-1 1H6v2l-1.5-1.5L3 16v-2H1c-.55 0-1-.45-1-1V1c0-.55.45-1 1-1h10c.55 0 1 .45 1 1zm-1 10H1v2h2v-1h3v1h5v-2zm0-10H2v9h9V1z"/></svg>
    <a class="Header-link" href="/songhuiqing">songhuiqing</a>
    /
    <a class="Header-link" href="/songhuiqing/book">book</a>

</div>
    </div>

    <div class="Header-item position-relative d-none d-lg-flex">
      

    </div>

    <div class="Header-item mr-0 mr-lg-3 flex-order-1 flex-lg-order-none">
      

    <a aria-label="You have no unread notifications" class="Header-link notification-indicator position-relative tooltipped tooltipped-s js-socket-channel js-notification-indicator" data-hotkey="g n" data-ga-click="Header, go to notifications, icon:read" data-channel="notification-changed:14959876" href="/notifications">
        <span class="mail-status "></span>
        <svg class="octicon octicon-bell" viewBox="0 0 14 16" version="1.1" width="14" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M14 12v1H0v-1l.73-.58c.77-.77.81-2.55 1.19-4.42C2.69 3.23 6 2 6 2c0-.55.45-1 1-1s1 .45 1 1c0 0 3.39 1.23 4.16 5 .38 1.88.42 3.66 1.19 4.42l.66.58H14zm-7 4c1.11 0 2-.89 2-2H5c0 1.11.89 2 2 2z"/></svg>
</a>
    </div>


    <div class="Header-item position-relative d-none d-lg-flex">
      <details class="details-overlay details-reset">
  <summary class="Header-link"
      aria-label="Create new…"
      data-ga-click="Header, create new, icon:add">
    <svg class="octicon octicon-plus" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M12 9H7v5H5V9H0V7h5V2h2v5h5v2z"/></svg> <span class="dropdown-caret"></span>
  </summary>
  <details-menu class="dropdown-menu dropdown-menu-sw">
    
<a role="menuitem" class="dropdown-item" href="/new" data-ga-click="Header, create new repository">
  New repository
</a>

  <a role="menuitem" class="dropdown-item" href="/new/import" data-ga-click="Header, import a repository">
    Import repository
  </a>

<a role="menuitem" class="dropdown-item" href="https://gist.github.com/" data-ga-click="Header, create new gist">
  New gist
</a>

  <a role="menuitem" class="dropdown-item" href="/organizations/new" data-ga-click="Header, create new organization">
    New organization
  </a>


  <div role="none" class="dropdown-divider"></div>
  <div class="dropdown-header">
    <span title="songhuiqing/book">This repository</span>
  </div>
    <a role="menuitem" class="dropdown-item" href="/songhuiqing/book/issues/new" data-ga-click="Header, create new issue" data-skip-pjax>
      New issue
    </a>


  </details-menu>
</details>

    </div>

    <div class="Header-item position-relative mr-0 d-none d-lg-flex">
      
<details class="details-overlay details-reset">
  <summary class="Header-link"
    aria-label="View profile and more"
    data-ga-click="Header, show menu, icon:avatar">
    <img alt="@Tinywan" class="avatar" src="https://avatars1.githubusercontent.com/u/14959876?s=40&amp;v=4" height="20" width="20">
    <span class="dropdown-caret"></span>
  </summary>
  <details-menu class="dropdown-menu dropdown-menu-sw mt-2" style="width: 180px">
    <div class="header-nav-current-user css-truncate"><a role="menuitem" class="no-underline user-profile-link px-3 pt-2 pb-2 mb-n2 mt-n1 d-block" href="/Tinywan" data-ga-click="Header, go to profile, text:Signed in as">Signed in as <strong class="css-truncate-target">Tinywan</strong></a></div>
    <div role="none" class="dropdown-divider"></div>

      <div class="pl-3 pr-3 f6 user-status-container js-user-status-context pb-1" data-url="/users/status?compact=1&amp;link_mentions=0&amp;truncate=1">
        
<div class="js-user-status-container
    user-status-compact rounded-1 px-2 py-1 mt-2
    user-status-container-border-busy
" data-team-hovercards-enabled>
  <details class="js-user-status-details details-reset details-overlay details-overlay-dark">
    <summary class="btn-link btn-block link-gray no-underline js-toggle-user-status-edit toggle-user-status-edit " aria-haspopup="dialog" role="menuitem" data-hydro-click="{&quot;event_type&quot;:&quot;user_profile.click&quot;,&quot;payload&quot;:{&quot;profile_user_id&quot;:3807143,&quot;target&quot;:&quot;EDIT_USER_STATUS&quot;,&quot;user_id&quot;:14959876,&quot;client_id&quot;:&quot;1557564735.1565571740&quot;,&quot;originating_request_id&quot;:&quot;D666:1866:F10F4:155B66:5D5B85B8&quot;,&quot;originating_url&quot;:&quot;https://github.com/songhuiqing/book/blob/master/Openresty%E7%BC%96%E7%A8%8B.pdf&quot;,&quot;referrer&quot;:&quot;https://github.com/songhuiqing/book&quot;}}" data-hydro-click-hmac="c607e71d9c5b8659e7a2ed8acd6d0f487d852aa532991d3591f65bd7c33a56b8">
      <div class="d-flex">
        <div class="f6 lh-condensed user-status-header
          d-inline-flex
            user-status-limited-availability
          "
>
          <div class="user-status-emoji-container flex-shrink-0 mr-1  " style="margin-top: 2px;">
            <div><img class="emoji" title=":atom:" alt=":atom:" src="https://github.githubassets.com/images/icons/emoji/atom.png" height="20" width="20" align="absmiddle"></div>
          </div>
        </div>
        <div class="
          
          
           css-truncate css-truncate-target 
           user-status-message-wrapper f6"
           style="line-height: 20px;" >
          <div class="d-inline-block text-gray-dark v-align-text-top text-left">
              <div class="ws-normal text-gray-dark text-bold f6">
                  IOT
              </div>
                <span>扫描关注个人微信公众号</span>
          </div>
        </div>
      </div>
</summary>    <details-dialog class="details-dialog rounded-1 anim-fade-in fast Box Box--overlay" role="dialog" tabindex="-1">
      <!-- '"` --><!-- </textarea></xmp> --></option></form><form class="position-relative flex-auto js-user-status-form" action="/users/status?compact=1&amp;link_mentions=0&amp;truncate=1" accept-charset="UTF-8" method="post"><input name="utf8" type="hidden" value="&#x2713;" /><input type="hidden" name="_method" value="put" /><input type="hidden" name="authenticity_token" value="V0dqpXuqWq+riXu2RpaE2Mv98uPfozmqlOpIHhw15HBoJ/PJq/9kaIgZ2q4q3oLS+UdMzDF28vbcj+2/TByWSg==" />
        <div class="Box-header bg-gray border-bottom p-3">
          <button class="Box-btn-octicon js-toggle-user-status-edit btn-octicon float-right" type="reset" aria-label="Close dialog" data-close-dialog>
            <svg class="octicon octicon-x" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.48 8l3.75 3.75-1.48 1.48L6 9.48l-3.75 3.75-1.48-1.48L4.52 8 .77 4.25l1.48-1.48L6 6.52l3.75-3.75 1.48 1.48L7.48 8z"/></svg>
          </button>
          <h3 class="Box-title f5 text-bold text-gray-dark">Edit status</h3>
        </div>
        <input type="hidden" name="emoji" class="js-user-status-emoji-field" value=":atom:">
        <input type="hidden" name="organization_id" class="js-user-status-org-id-field" value="MDEyOk9yZ2FuaXphdGlvbjI5OTIzOTEw">
        <div class="px-3 py-2 text-gray-dark">
          <div class="js-characters-remaining-container position-relative mt-2">
            <div class="input-group d-table form-group my-0 js-user-status-form-group">
              <span class="input-group-button d-table-cell v-align-middle" style="width: 1%">
                <button type="button" aria-label="Choose an emoji" class="btn-outline btn js-toggle-user-status-emoji-picker btn-open-emoji-picker p-0">
                  <span class="js-user-status-original-emoji" hidden><div><img class="emoji" title=":atom:" alt=":atom:" src="https://github.githubassets.com/images/icons/emoji/atom.png" height="20" width="20" align="absmiddle"></div></span>
                  <span class="js-user-status-custom-emoji"><div><img class="emoji" title=":atom:" alt=":atom:" src="https://github.githubassets.com/images/icons/emoji/atom.png" height="20" width="20" align="absmiddle"></div></span>
                  <span class="js-user-status-no-emoji-icon" hidden>
                    <svg class="octicon octicon-smiley" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8s3.58 8 8 8 8-3.58 8-8-3.58-8-8-8zm4.81 12.81a6.72 6.72 0 0 1-2.17 1.45c-.83.36-1.72.53-2.64.53-.92 0-1.81-.17-2.64-.53-.81-.34-1.55-.83-2.17-1.45a6.773 6.773 0 0 1-1.45-2.17A6.59 6.59 0 0 1 1.21 8c0-.92.17-1.81.53-2.64.34-.81.83-1.55 1.45-2.17.62-.62 1.36-1.11 2.17-1.45A6.59 6.59 0 0 1 8 1.21c.92 0 1.81.17 2.64.53.81.34 1.55.83 2.17 1.45.62.62 1.11 1.36 1.45 2.17.36.83.53 1.72.53 2.64 0 .92-.17 1.81-.53 2.64-.34.81-.83 1.55-1.45 2.17zM4 6.8v-.59c0-.66.53-1.19 1.2-1.19h.59c.66 0 1.19.53 1.19 1.19v.59c0 .67-.53 1.2-1.19 1.2H5.2C4.53 8 4 7.47 4 6.8zm5 0v-.59c0-.66.53-1.19 1.2-1.19h.59c.66 0 1.19.53 1.19 1.19v.59c0 .67-.53 1.2-1.19 1.2h-.59C9.53 8 9 7.47 9 6.8zm4 3.2c-.72 1.88-2.91 3-5 3s-4.28-1.13-5-3c-.14-.39.23-1 .66-1h8.59c.41 0 .89.61.75 1z"/></svg>
                  </span>
                </button>
              </span>
              <text-expander keys=": @" data-mention-url="/suggestions?global_id=MDEyOk9yZ2FuaXphdGlvbjI5OTIzOTEw&amp;mention_suggester=1" data-emoji-url="/autocomplete/emoji">
                <input
                  type="text"
                  autocomplete="off"
                  data-no-org-url="/autocomplete/user-suggestions"
                  data-org-url="/suggestions?mention_suggester=1"
                  data-maxlength="80"
                  class="d-table-cell width-full form-control js-user-status-message-field js-characters-remaining-field"
                  placeholder="What's happening?"
                  name="message"
                  value="扫描关注个人微信公众号"
                  aria-label="What is your current status?">
              </text-expander>
              <div class="error">Could not update your status, please try again.</div>
            </div>
            <div style="margin-left: 53px" class="my-1 text-small label-characters-remaining js-characters-remaining" data-suffix="remaining" hidden>
              80 remaining
            </div>
          </div>
          <include-fragment class="js-user-status-emoji-picker" data-url="/users/status/emoji"></include-fragment>
          <div class="overflow-auto ml-n3 mr-n3 px-3 border-bottom" style="max-height: 33vh">
            <div class="user-status-suggestions js-user-status-suggestions collapsed overflow-hidden">
              <h4 class="f6 text-normal my-3">Suggestions:</h4>
              <div class="mx-3 mt-2 clearfix">
                  <div class="float-left col-6">
                      <button type="button" value=":palm_tree:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
                        <div class="emoji-status-width mr-2 v-align-middle js-predefined-user-status-emoji">
                          <g-emoji alias="palm_tree" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f334.png">🌴</g-emoji>
                        </div>
                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          On vacation
                        </div>
                      </button>
                      <button type="button" value=":face_with_thermometer:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
                        <div class="emoji-status-width mr-2 v-align-middle js-predefined-user-status-emoji">
                          <g-emoji alias="face_with_thermometer" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f912.png">🤒</g-emoji>
                        </div>
                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          Out sick
                        </div>
                      </button>
                  </div>
                  <div class="float-left col-6">
                      <button type="button" value=":house:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
                        <div class="emoji-status-width mr-2 v-align-middle js-predefined-user-status-emoji">
                          <g-emoji alias="house" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f3e0.png">🏠</g-emoji>
                        </div>
                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          Working from home
                        </div>
                      </button>
                      <button type="button" value=":dart:" class="d-flex flex-items-baseline flex-items-stretch lh-condensed f6 btn-link link-gray no-underline js-predefined-user-status mb-1">
                        <div class="emoji-status-width mr-2 v-align-middle js-predefined-user-status-emoji">
                          <g-emoji alias="dart" fallback-src="https://github.githubassets.com/images/icons/emoji/unicode/1f3af.png">🎯</g-emoji>
                        </div>
                        <div class="d-flex flex-items-center no-underline js-predefined-user-status-message ws-normal text-left" style="border-left: 1px solid transparent">
                          Focusing
                        </div>
                      </button>
                  </div>
              </div>
            </div>
            <div class="user-status-limited-availability-container">
              <div class="form-checkbox my-0">
                <input type="checkbox" name="limited_availability" value="1" class="js-user-status-limited-availability-checkbox" data-default-message="I may be slow to respond." aria-describedby="limited-availability-help-text-truncate-true-compact-true" id="limited-availability-truncate-true-compact-true" checked>
                <label class="d-block f5 text-gray-dark mb-1" for="limited-availability-truncate-true-compact-true">
                  Busy
                </label>
                <p class="note" id="limited-availability-help-text-truncate-true-compact-true">
                  When others mention you, assign you, or request your review,
                  GitHub will let them know that you have limited availability.
                </p>
              </div>
            </div>
          </div>
            

<div class="d-inline-block f5 mr-2 pt-3 pb-2" >
  <div class="d-inline-block mr-1">
    Clear status
  </div>

  <details class="js-user-status-expire-drop-down f6 dropdown details-reset details-overlay d-inline-block mr-2">
    <summary class="f5 btn-link link-gray-dark border px-2 py-1 rounded-1" aria-haspopup="true">
      <div class="js-user-status-expiration-interval-selected d-inline-block v-align-baseline">
        Never
      </div>
      <div class="dropdown-caret"></div>
    </summary>

    <ul class="dropdown-menu dropdown-menu-se pl-0 overflow-auto" style="width: 220px; max-height: 15.5em">
      <li>
        <button type="button" class="btn-link dropdown-item js-user-status-expire-button ws-normal" title="Never">
          <span class="d-inline-block text-bold mb-1">Never</span>
          <div class="f6 lh-condensed">Keep this status until you clear your status or edit your status.</div>
        </button>
      </li>
      <li class="dropdown-divider" role="none"></li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="in 30 minutes" value="2019-08-20T14:01:55+08:00">
            in 30 minutes
          </button>
        </li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="in 1 hour" value="2019-08-20T14:31:55+08:00">
            in 1 hour
          </button>
        </li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="in 4 hours" value="2019-08-20T17:31:55+08:00">
            in 4 hours
          </button>
        </li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="today" value="2019-08-20T23:59:59+08:00">
            today
          </button>
        </li>
        <li>
          <button type="button" class="btn-link dropdown-item ws-normal js-user-status-expire-button" title="this week" value="2019-08-25T23:59:59+08:00">
            this week
          </button>
        </li>
    </ul>
  </details>
  <input class="js-user-status-expiration-date-input" type="hidden" name="expires_at" value="">
</div>

          <include-fragment class="js-user-status-org-picker" data-url="/users/status/organizations"></include-fragment>
        </div>
        <div class="d-flex flex-items-center flex-justify-between p-3 border-top">
          <button type="submit"  class="width-full btn btn-primary mr-2 js-user-status-submit">
            Set status
          </button>
          <button type="button"  class="width-full js-clear-user-status-button btn ml-2 js-user-status-exists">
            Clear status
          </button>
        </div>
</form>    </details-dialog>
  </details>
</div>

      </div>
      <div role="none" class="dropdown-divider"></div>


    <a role="menuitem" class="dropdown-item" href="/Tinywan" data-ga-click="Header, go to profile, text:your profile">Your profile</a>


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    <svg class="octicon octicon-alert" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8.893 1.5c-.183-.31-.52-.5-.887-.5s-.703.19-.886.5L.138 13.499a.98.98 0 0 0 0 1.001c.193.31.53.501.886.501h13.964c.367 0 .704-.19.877-.5a1.03 1.03 0 0 0 .01-1.002L8.893 1.5zm.133 11.497H6.987v-2.003h2.039v2.003zm0-3.004H6.987V5.987h2.039v4.006z"/></svg>
    <span class="signed-in-tab-flash">You signed in with another tab or window. <a href="">Reload</a> to refresh your session.</span>
    <span class="signed-out-tab-flash">You signed out in another tab or window. <a href="">Reload</a> to refresh your session.</span>
  </div>
  <template id="site-details-dialog">
  <details class="details-reset details-overlay details-overlay-dark lh-default text-gray-dark hx_rsm" open>
    <summary role="button" aria-label="Close dialog"></summary>
    <details-dialog class="Box Box--overlay d-flex flex-column anim-fade-in fast hx_rsm-dialog hx_rsm-modal">
      <button class="Box-btn-octicon m-0 btn-octicon position-absolute right-0 top-0" type="button" aria-label="Close dialog" data-close-dialog>
        <svg class="octicon octicon-x" viewBox="0 0 12 16" version="1.1" width="12" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.48 8l3.75 3.75-1.48 1.48L6 9.48l-3.75 3.75-1.48-1.48L4.52 8 .77 4.25l1.48-1.48L6 6.52l3.75-3.75 1.48 1.48L7.48 8z"/></svg>
      </button>
      <div class="octocat-spinner my-6 js-details-dialog-spinner"></div>
    </details-dialog>
  </details>
</template>

  <div class="Popover js-hovercard-content position-absolute" style="display: none; outline: none;" tabindex="0">
  <div class="Popover-message Popover-message--bottom-left Popover-message--large Box box-shadow-large" style="width:360px;">
  </div>
</div>

  <div aria-live="polite" class="js-global-screen-reader-notice sr-only"></div>

  </body>
</html>