Bootstrap doesn`t work without internet
<p>I begin to use Bootstrap. And I add <code>js/bootstrap.min.css</code>
to my <code>index.html</code> and all works.</p>

<p>But, when I add <code>bootstrap.min.js</code> to <code>index.html</code> ,my, for example, dropdown menu doesn't work.</p>

<p>But, when I add <code>http://code.jquery.com/jquery-latest.js</code> - my dropdown menu works. </p>

<p>I want to work with menu without connecting to Internet.
Why?</p>