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-
- <div class="section" id="javascript-class">
- <h1>Javascript Class<a class="headerlink" href="#javascript-class" title="Permalink to this headline">¶</a></h1>
- <p>CodeIgniter provides a library to help you with certain common functions
- that you may want to use with Javascript. Please note that CodeIgniter
- does not require the jQuery library to run, and that any scripting
- library will work equally well. The jQuery library is simply presented
- as a convenience if you choose to use it.</p>
- <div class="admonition important">
- <p class="first admonition-title">Important</p>
- <p class="last">This library is DEPRECATED and should not be used. It has always
- been with an ‘experimental’ status and is now no longer supported.
- Currently only kept for backwards compatibility.</p>
- </div>
- <div class="contents local topic" id="contents">
- <ul class="simple">
- <li><a class="reference internal" href="#using-the-javascript-class" id="id3">Using the Javascript Class</a><ul>
- <li><a class="reference internal" href="#initializing-the-class" id="id4">Initializing the Class</a></li>
- <li><a class="reference internal" href="#setup-and-configuration" id="id5">Setup and Configuration</a><ul>
- <li><a class="reference internal" href="#set-these-variables-in-your-view" id="id6">Set these variables in your view</a></li>
- <li><a class="reference internal" href="#set-the-path-to-the-librarys-with-config-items" id="id7">Set the path to the librarys with config items</a></li>
- </ul>
- </li>
- <li><a class="reference internal" href="#the-jquery-class" id="id8">The jQuery Class</a></li>
- <li><a class="reference internal" href="#jquery-events" id="id9">jQuery Events</a></li>
- <li><a class="reference internal" href="#effects" id="id10">Effects</a><ul>
- <li><a class="reference internal" href="#hide-show" id="id11">hide() / show()</a></li>
- <li><a class="reference internal" href="#toggle" id="id12">toggle()</a></li>
- <li><a class="reference internal" href="#animate" id="id13">animate()</a></li>
- <li><a class="reference internal" href="#fadein-fadeout" id="id14">fadeIn() / fadeOut()</a></li>
- <li><a class="reference internal" href="#toggleclass" id="id15">toggleClass()</a></li>
- <li><a class="reference internal" href="#id2" id="id16">fadeIn() / fadeOut()</a></li>
- <li><a class="reference internal" href="#slideup-slidedown-slidetoggle" id="id17">slideUp() / slideDown() / slideToggle()</a></li>
- </ul>
- </li>
- <li><a class="reference internal" href="#plugins" id="id18">Plugins</a><ul>
- <li><a class="reference internal" href="#corner" id="id19">corner()</a></li>
- <li><a class="reference internal" href="#tablesorter" id="id20">tablesorter()</a></li>
- <li><a class="reference internal" href="#modal" id="id21">modal()</a></li>
- <li><a class="reference internal" href="#calendar" id="id22">calendar()</a></li>
- </ul>
- </li>
- </ul>
- </li>
- </ul>
- </div>
- <div class="custom-index container"></div><div class="section" id="using-the-javascript-class">
- <h2><a class="toc-backref" href="#id3">Using the Javascript Class</a><a class="headerlink" href="#using-the-javascript-class" title="Permalink to this headline">¶</a></h2>
- <div class="section" id="initializing-the-class">
- <h3><a class="toc-backref" href="#id4">Initializing the Class</a><a class="headerlink" href="#initializing-the-class" title="Permalink to this headline">¶</a></h3>
- <p>To initialize the Javascript class manually in your controller
- constructor, use the <code class="docutils literal"><span class="pre">$this->load->library()</span></code> method. Currently,
- the only available library is jQuery, which will automatically be
- loaded like this:</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'javascript'</span><span class="p">);</span>
- </pre></div>
- </div>
- <p>The Javascript class also accepts parameters:</p>
- <ul class="simple">
- <li>js_library_driver (string) <em>default: ‘jquery’</em></li>
- <li>autoload (bool) <em>default: TRUE</em></li>
- </ul>
- <p>You may override the defaults by sending an associative array:</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span>
- <span class="s1">'javascript'</span><span class="p">,</span>
- <span class="k">array</span><span class="p">(</span>
- <span class="s1">'js_library_driver'</span> <span class="o">=></span> <span class="s1">'scripto'</span><span class="p">,</span>
- <span class="s1">'autoload'</span> <span class="o">=></span> <span class="k">FALSE</span>
- <span class="p">)</span>
- <span class="p">);</span>
- </pre></div>
- </div>
- <p>Again, presently only ‘jquery’ is available. You may wish to set
- autoload to FALSE, though, if you do not want the jQuery library to
- automatically include a script tag for the main jQuery script file. This
- is useful if you are loading it from a location outside of CodeIgniter,
- or already have the script tag in your markup.</p>
- <p>Once loaded, the jQuery library object will be available using:</p>
- <blockquote>
- <div>$this->javascript</div></blockquote>
- </div>
- <div class="section" id="setup-and-configuration">
- <h3><a class="toc-backref" href="#id5">Setup and Configuration</a><a class="headerlink" href="#setup-and-configuration" title="Permalink to this headline">¶</a></h3>
- <div class="section" id="set-these-variables-in-your-view">
- <h4><a class="toc-backref" href="#id6">Set these variables in your view</a><a class="headerlink" href="#set-these-variables-in-your-view" title="Permalink to this headline">¶</a></h4>
- <p>As a Javascript library, your files must be available to your
- application.</p>
- <p>As Javascript is a client side language, the library must be able to
- write content into your final output. This generally means a view.
- You’ll need to include the following variables in the <code class="docutils literal"><span class="pre"><head></span></code>
- sections of your output.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="o"><?</span><span class="nx">php</span> <span class="k">echo</span> <span class="nv">$library_src</span><span class="p">;</span><span class="cp">?></span>
- <span class="cp"><?php</span> <span class="k">echo</span> <span class="nv">$script_head</span><span class="p">;</span><span class="cp">?></span>
- </pre></div>
- </div>
- <p><code class="docutils literal"><span class="pre">$library_src</span></code>, is where the actual library file will be loaded, as
- well as any subsequent plugin script calls; $script_head is where
- specific events, functions and other commands will be rendered.</p>
- </div>
- <div class="section" id="set-the-path-to-the-librarys-with-config-items">
- <h4><a class="toc-backref" href="#id7">Set the path to the librarys with config items</a><a class="headerlink" href="#set-the-path-to-the-librarys-with-config-items" title="Permalink to this headline">¶</a></h4>
- <p>There are some configuration items in Javascript library. These can
- either be set in <em>application/config.php</em>, within its own
- <em>config/javascript.php</em> file, or within any controller usings the
- <code class="docutils literal"><span class="pre">set_item()</span></code> function.</p>
- <p>An image to be used as an “ajax loader”, or progress indicator. Without
- one, the simple text message of “loading” will appear when Ajax calls
- need to be made.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$config</span><span class="p">[</span><span class="s1">'javascript_location'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'http://localhost/codeigniter/themes/js/jquery/'</span><span class="p">;</span>
- <span class="nv">$config</span><span class="p">[</span><span class="s1">'javascript_ajax_img'</span><span class="p">]</span> <span class="o">=</span> <span class="s1">'images/ajax-loader.gif'</span><span class="p">;</span>
- </pre></div>
- </div>
- <p>If you keep your files in the same directories they were downloaded
- from, then you need not set this configuration items.</p>
- </div>
- </div>
- <div class="section" id="the-jquery-class">
- <h3><a class="toc-backref" href="#id8">The jQuery Class</a><a class="headerlink" href="#the-jquery-class" title="Permalink to this headline">¶</a></h3>
- <p>To initialize the jQuery class manually in your controller constructor,
- use the <code class="docutils literal"><span class="pre">$this->load->library()</span></code> method:</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'javascript/jquery'</span><span class="p">);</span>
- </pre></div>
- </div>
- <p>You may send an optional parameter to determine whether or not a script
- tag for the main jQuery file will be automatically included when loading
- the library. It will be created by default. To prevent this, load the
- library as follows:</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">load</span><span class="o">-></span><span class="na">library</span><span class="p">(</span><span class="s1">'javascript/jquery'</span><span class="p">,</span> <span class="k">FALSE</span><span class="p">);</span>
- </pre></div>
- </div>
- <p>Once loaded, the jQuery library object will be available using:</p>
- <blockquote>
- <div>$this->jquery</div></blockquote>
- </div>
- <div class="section" id="jquery-events">
- <h3><a class="toc-backref" href="#id9">jQuery Events</a><a class="headerlink" href="#jquery-events" title="Permalink to this headline">¶</a></h3>
- <p>Events are set using the following syntax.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">event</span><span class="p">(</span><span class="s1">'element_path'</span><span class="p">,</span> <span class="nx">code_to_run</span><span class="p">());</span>
- </pre></div>
- </div>
- <p>In the above example:</p>
- <ul class="simple">
- <li>“event” is any of blur, change, click, dblclick, error, focus, hover,
- keydown, keyup, load, mousedown, mouseup, mouseover, mouseup, resize,
- scroll, or unload.</li>
- <li>“element_path” is any valid <a class="reference external" href="http://api.jquery.com/category/selectors/">jQuery selector</a>. Due to jQuery’s unique
- selector syntax, this is usually an element id, or CSS selector. For
- example “#notice_area” would effect <code class="docutils literal"><span class="pre"><div</span> <span class="pre">id="notice_area"></span></code>, and
- “#content a.notice” would effect all anchors with a class of “notice”
- in the div with id “content”.</li>
- <li>“<code class="docutils literal"><span class="pre">code_to_run()</span></code>” is script your write yourself, or an action such as
- an effect from the jQuery library below.</li>
- </ul>
- </div>
- <div class="section" id="effects">
- <h3><a class="toc-backref" href="#id10">Effects</a><a class="headerlink" href="#effects" title="Permalink to this headline">¶</a></h3>
- <p>The query library supports a powerful
- <a class="reference external" href="http://api.jquery.com/category/effects/">Effects</a> repertoire. Before an effect
- can be used, it must be loaded:</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">effect</span><span class="p">([</span><span class="nx">optional</span> <span class="nx">path</span><span class="p">]</span> <span class="nx">plugin</span> <span class="nx">name</span><span class="p">);</span> <span class="c1">// for example $this->jquery->effect('bounce');</span>
- </pre></div>
- </div>
- <div class="section" id="hide-show">
- <h4><a class="toc-backref" href="#id11">hide() / show()</a><a class="headerlink" href="#hide-show" title="Permalink to this headline">¶</a></h4>
- <p>Each of this functions will affect the visibility of an item on your
- page. hide() will set an item invisible, show() will reveal it.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">hide</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">show</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- <li>“speed” is optional, and is set to either slow, normal, fast, or
- alternatively a number of milliseconds.</li>
- <li>“extra information” is optional, and could include a callback, or
- other additional information.</li>
- </ul>
- </div>
- <div class="section" id="toggle">
- <h4><a class="toc-backref" href="#id12">toggle()</a><a class="headerlink" href="#toggle" title="Permalink to this headline">¶</a></h4>
- <p>toggle() will change the visibility of an item to the opposite of its
- current state, hiding visible elements, and revealing hidden ones.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">toggle</span><span class="p">(</span><span class="nx">target</span><span class="p">);</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- </ul>
- </div>
- <div class="section" id="animate">
- <h4><a class="toc-backref" href="#id13">animate()</a><a class="headerlink" href="#animate" title="Permalink to this headline">¶</a></h4>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">animate</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">parameters</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- <li>“parameters” in jQuery would generally include a series of CSS
- properties that you wish to change.</li>
- <li>“speed” is optional, and is set to either slow, normal, fast, or
- alternatively a number of milliseconds.</li>
- <li>“extra information” is optional, and could include a callback, or
- other additional information.</li>
- </ul>
- <p>For a full summary, see
- <a class="reference external" href="http://api.jquery.com/animate/">http://api.jquery.com/animate/</a></p>
- <p>Here is an example of an animate() called on a div with an id of “note”,
- and triggered by a click using the jQuery library’s click() event.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$params</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
- <span class="s1">'height'</span> <span class="o">=></span> <span class="mi">80</span><span class="p">,</span>
- <span class="s1">'width'</span> <span class="o">=></span> <span class="s1">'50%'</span><span class="p">,</span>
- <span class="s1">'marginLeft'</span> <span class="o">=></span> <span class="mi">125</span>
- <span class="p">);</span>
- <span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">click</span><span class="p">(</span><span class="s1">'#trigger'</span><span class="p">,</span> <span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">animate</span><span class="p">(</span><span class="s1">'#note'</span><span class="p">,</span> <span class="nv">$params</span><span class="p">,</span> <span class="s1">'normal'</span><span class="p">));</span>
- </pre></div>
- </div>
- </div>
- <div class="section" id="fadein-fadeout">
- <h4><a class="toc-backref" href="#id14">fadeIn() / fadeOut()</a><a class="headerlink" href="#fadein-fadeout" title="Permalink to this headline">¶</a></h4>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">fadeIn</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">fadeOut</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- <li>“speed” is optional, and is set to either slow, normal, fast, or
- alternatively a number of milliseconds.</li>
- <li>“extra information” is optional, and could include a callback, or
- other additional information.</li>
- </ul>
- </div>
- <div class="section" id="toggleclass">
- <h4><a class="toc-backref" href="#id15">toggleClass()</a><a class="headerlink" href="#toggleclass" title="Permalink to this headline">¶</a></h4>
- <p>This function will add or remove a CSS class to its target.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">toggleClass</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">class</span><span class="p">)</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- <li>“class” is any CSS classname. Note that this class must be defined
- and available in a CSS that is already loaded.</li>
- </ul>
- </div>
- <div class="section" id="id2">
- <h4><a class="toc-backref" href="#id16">fadeIn() / fadeOut()</a><a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h4>
- <p>These effects cause an element(s) to disappear or reappear over time.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">fadeIn</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">fadeOut</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- <li>“speed” is optional, and is set to either slow, normal, fast, or
- alternatively a number of milliseconds.</li>
- <li>“extra information” is optional, and could include a callback, or
- other additional information.</li>
- </ul>
- </div>
- <div class="section" id="slideup-slidedown-slidetoggle">
- <h4><a class="toc-backref" href="#id17">slideUp() / slideDown() / slideToggle()</a><a class="headerlink" href="#slideup-slidedown-slidetoggle" title="Permalink to this headline">¶</a></h4>
- <p>These effects cause an element(s) to slide.</p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">slideUp</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">slideDown</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- <span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">slideToggle</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">speed</span><span class="p">,</span> <span class="nx">optional</span> <span class="nx">extra</span> <span class="nx">information</span><span class="p">);</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- <li>“speed” is optional, and is set to either slow, normal, fast, or
- alternatively a number of milliseconds.</li>
- <li>“extra information” is optional, and could include a callback, or
- other additional information.</li>
- </ul>
- </div>
- </div>
- <div class="section" id="plugins">
- <h3><a class="toc-backref" href="#id18">Plugins</a><a class="headerlink" href="#plugins" title="Permalink to this headline">¶</a></h3>
- <p>Some select jQuery plugins are made available using this library.</p>
- <div class="section" id="corner">
- <h4><a class="toc-backref" href="#id19">corner()</a><a class="headerlink" href="#corner" title="Permalink to this headline">¶</a></h4>
- <p>Used to add distinct corners to page elements. For full details see
- <a class="reference external" href="http://malsup.com/jquery/corner/">http://malsup.com/jquery/corner/</a></p>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">corner</span><span class="p">(</span><span class="nx">target</span><span class="p">,</span> <span class="nx">corner_style</span><span class="p">);</span>
- </pre></div>
- </div>
- <ul class="simple">
- <li>“target” will be any valid jQuery selector or selectors.</li>
- <li>“corner_style” is optional, and can be set to any valid style such
- as round, sharp, bevel, bite, dog, etc. Individual corners can be set
- by following the style with a space and using “tl” (top left), “tr”
- (top right), “bl” (bottom left), or “br” (bottom right).</li>
- </ul>
- <div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-></span><span class="na">jquery</span><span class="o">-></span><span class="na">corner</span><span class="p">(</span><span class="s2">"#note"</span><span class="p">,</span> <span class="s2">"cool tl br"</span><span class="p">);</span>
- </pre></div>
- </div>
- </div>
- <div class="section" id="tablesorter">
- <h4><a class="toc-backref" href="#id20">tablesorter()</a><a class="headerlink" href="#tablesorter" title="Permalink to this headline">¶</a></h4>
- <p>description to come</p>
- </div>
- <div class="section" id="modal">
- <h4><a class="toc-backref" href="#id21">modal()</a><a class="headerlink" href="#modal" title="Permalink to this headline">¶</a></h4>
- <p>description to come</p>
- </div>
- <div class="section" id="calendar">
- <h4><a class="toc-backref" href="#id22">calendar()</a><a class="headerlink" href="#calendar" title="Permalink to this headline">¶</a></h4>
- <p>description to come</p>
- </div>
- </div>
- </div>
- </div>
- </div>
- <footer>
-
- <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-
- <a href="language.html" class="btn btn-neutral float-right" title="Language Class">Next <span class="fa fa-arrow-circle-right"></span></a>
-
-
- <a href="input.html" class="btn btn-neutral" title="Input Class"><span class="fa fa-arrow-circle-left"></span> Previous</a>
-
- </div>
-
- <hr/>
- <div role="contentinfo">
- <p>
- © Copyright 2014 - 2019, British Columbia Institute of Technology.
- Last updated on Sep 19, 2019.
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