> with the same CSS styles to <strong>replace the original</strong>
<strong>target</strong>, but add the loader inside and remove original content inside. When the
loader is <code>hide</code>, show the original <code>div</code> and hide this loader <code>div</code>. Height
and width is the original <code>div</code>'s height unless specially specified. Good
example of this will be some plot outputs.</p></li>
<li><p><code>inline</code>: append the loader as the first child of target HTML container.
loader's h