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  <div class="section" id="ajax-requests">
<h1>AJAX Requests<a class="headerlink" href="#ajax-requests" title="Permalink to this headline">¶</a></h1>
<p>The <code class="docutils literal notranslate"><span class="pre">IncomingRequest::isAJAX()</span></code> method uses the <code class="docutils literal notranslate"><span class="pre">X-Requested-With</span></code> header to define whether the request is XHR or normal. However, the most recent JavaScript implementations (i.e., fetch) no longer send this header along with the request, thus the use of <code class="docutils literal notranslate"><span class="pre">IncomingRequest::isAJAX()</span></code> becomes less reliable, because without this header it is not possible to define whether the request is or not XHR.</p>
<p>To get around this problem, the most efficient solution (so far) is to manually define the request header, forcing the information to be sent to the server, which will then be able to identify that the request is XHR.</p>
<p>Here’s how to force the <code class="docutils literal notranslate"><span class="pre">X-Requested-With</span></code> header to be sent in the Fetch API and other JavaScript libraries.</p>
<div class="section" id="fetch-api">
<h2>Fetch API<a class="headerlink" href="#fetch-api" title="Permalink to this headline">¶</a></h2>
<div class="highlight-javascript notranslate"><div class="highlight"><pre><span></span><span class="nx">fetch</span><span class="p">(</span><span class="nx">url</span><span class="p">,</span> <span class="p">{</span>
    <span class="nx">method</span><span class="o">:</span> <span class="s2">&quot;get&quot;</span><span class="p">,</span>
    <span class="nx">headers</span><span class="o">:</span> <span class="p">{</span>
      <span class="s2">&quot;Content-Type&quot;</span><span class="o">:</span> <span class="s2">&quot;application/json&quot;</span><span class="p">,</span>
      <span class="s2">&quot;X-Requested-With&quot;</span><span class="o">:</span> <span class="s2">&quot;XMLHttpRequest&quot;</span>
    <span class="p">}</span>
<span class="p">});</span>
</pre></div>
</div>
</div>
<div class="section" id="jquery">
<h2>jQuery<a class="headerlink" href="#jquery" title="Permalink to this headline">¶</a></h2>
<p>For libraries like jQuery for example, it is not necessary to make explicit the sending of this header, because according to the <a class="reference external" href="https://api.jquery.com/jquery.ajax/">official documentation</a> it is a standard header for all requests <code class="docutils literal notranslate"><span class="pre">$.ajax()</span></code>. But if you still want to force the shipment to not take risks, just do it as follows:</p>
<div class="highlight-javascript notranslate"><div class="highlight"><pre><span></span><span class="nx">$</span><span class="p">.</span><span class="nx">ajax</span><span class="p">({</span>
    <span class="nx">url</span><span class="o">:</span> <span class="s2">&quot;your url&quot;</span><span class="p">,</span>
    <span class="nx">headers</span><span class="o">:</span> <span class="p">{</span><span class="s1">&#39;X-Requested-With&#39;</span><span class="o">:</span> <span class="s1">&#39;XMLHttpRequest&#39;</span><span class="p">}</span>
<span class="p">});</span>
</pre></div>
</div>
</div>
<div class="section" id="vuejs">
<h2>VueJS<a class="headerlink" href="#vuejs" title="Permalink to this headline">¶</a></h2>
<p>In VueJS you just need to add the following code to the <code class="docutils literal notranslate"><span class="pre">created</span></code> function, as long as you are using Axios for this type of request.</p>
<div class="highlight-javascript notranslate"><div class="highlight"><pre><span></span><span class="nx">axios</span><span class="p">.</span><span class="nx">defaults</span><span class="p">.</span><span class="nx">headers</span><span class="p">.</span><span class="nx">common</span><span class="p">[</span><span class="s1">&#39;X-Requested-With&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;XMLHttpRequest&#39;</span><span class="p">;</span>
</pre></div>
</div>
</div>
<div class="section" id="react">
<h2>React<a class="headerlink" href="#react" title="Permalink to this headline">¶</a></h2>
<div class="highlight-javascript notranslate"><div class="highlight"><pre><span></span><span class="nx">axios</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="s2">&quot;your url&quot;</span><span class="p">,</span> <span class="p">{</span><span class="nx">headers</span><span class="o">:</span> <span class="p">{</span><span class="s1">&#39;Content-Type&#39;</span><span class="o">:</span> <span class="s1">&#39;application/json&#39;</span><span class="p">}})</span>
</pre></div>
</div>
</div>
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