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<h1><a name="filter_key_value" id="filter_key_value">filter (key, value)</a></h1>
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Filters DataStore by provided parameters.
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<pre class="code javascript">  <span class="co1">//shows all items where Publisher == &quot;Test&quot;</span>
data.<span class="me1">filter</span><span class="br0">&#40;</span><span class="st0">&quot;Publisher&quot;</span><span class="sy0">,</span><span class="st0">&quot;Test&quot;</span><span class="br0">&#41;</span>;
  <span class="co1">//shows all items where Publisher starts from &quot;Test&quot;</span>
data.<span class="me1">filter</span><span class="br0">&#40;</span><span class="kw2">function</span><span class="br0">&#40;</span>obj<span class="sy0">,</span>value<span class="br0">&#41;</span><span class="br0">&#123;</span>
    	<span class="kw1">if</span> <span class="br0">&#40;</span>obj.<span class="me1">Publisher</span>.<span class="me1">indexOf</span><span class="br0">&#40;</span>value<span class="br0">&#41;</span><span class="sy0">==</span>0<span class="br0">&#41;</span> <span class="kw1">return</span> <span class="kw2">true</span>;
    	<span class="kw1">return</span> <span class="kw2">false</span>;
<span class="br0">&#125;</span><span class="sy0">,</span><span class="st0">&quot;Test&quot;</span><span class="br0">&#41;</span>;</pre>
<p>
<strong>Parameters:</strong>
</p>
<ul>
<li class="level1"><div class="li">  <em>key</em> - the name of a property, or a custom filtering method</div>
</li>
<li class="level2"><div class="li">  <em>value</em> - the value which will be used for filtering</div>
</li>
</ul>

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