title: javascript include 2 times the same external js
body: <p>I include the jquery external js file with the command:</p>
  
  <pre><code>&lt;script type='text/javascript' src='js/jquery-1.11.0.js' &gt;&lt;/script&gt;
  </code></pre>
  
  <p>I will call it again in the same page a little bit below (this is because I am including this with php classes to make sure it is loaded before going on). So in the page, I will have 2 times the line at different places:</p>
  
  <pre><code>&lt;script type='text/javascript' src='js/jquery-1.11.0.js' &gt;&lt;/script&gt;
  </code></pre>
  
  <p>I want to know if this will create problems in my page and if the script jquery will be loaded 2 times which would be inneficient.</p>
  
  <p>Thanks,</p>
  
  <p>John.</p>