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<!DOCTYPE html>
<html lang='en'><head><meta http-equiv='content-type' content='text/html; charset=UTF-8' /></head><body>
<div class="entry-content">
        <div class="entry-title roundTop">
          
          <h1 class="jq-clearfix">All Selector (“*”)</h1>
          <div class="entry-meta jq-clearfix">
                        Categories:
            <span class="category"><a href="http://api.jquery.com/category/selectors/" title="View all posts in Selectors">Selectors</a> &gt; <a href="http://api.jquery.com/category/selectors/basic-css-selectors/" title="View all posts in Basic">Basic</a></span>
  

          </div>

</div>
<div id="all1" class="entry selector">
<h2 class="jq-clearfix roundTop section-title">
<span class="name">all</span>  selector</h2>
<div class="jq-box roundBottom entry-details">
<h4 class="name">
<span class="versionAdded">version added: <a href="/category/version/1.0/">1.0</a></span>jQuery('*')</h4>
<p class="desc"><strong>Description: </strong>Selects all elements.</p>
<div class="longdesc"><p>Caution: The all, or universal, selector is extremely slow, except when used by itself.</p></div>
<h3>Examples:</h3>
<div class="entry-examples" id="entry-examples">
<div id="example-0">
<h4>Example: <span class="desc">Finds every element (including head, body, etc) in the document.</span>
</h4>
<pre class="prettyprint"><code class="example demo-code">&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
  &lt;style&gt;
  h3 { margin: 0; }
  div,span,p {
    width: 80px;
    height: 40px;
    float:left;
    padding: 10px;
    margin: 10px;
    background-color: #EEEEEE;
  }
  &lt;/style&gt;
  &lt;script src="http://code.jquery.com/jquery-1.7rc2.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
  &lt;div&gt;DIV&lt;/div&gt;

  &lt;span&gt;SPAN&lt;/span&gt;
  &lt;p&gt;P &lt;button&gt;Button&lt;/button&gt;&lt;/p&gt;
&lt;script&gt;var elementCount = $("*").css("border","3px solid red").length;
$("body").prepend("&lt;h3&gt;" + elementCount + " elements found&lt;/h3&gt;");&lt;/script&gt;

&lt;/body&gt;
&lt;/html&gt;</code></pre>
<h4>Demo:</h4>
<div class="demo code-demo"></div>
</div>
<div id="example-1">
<h4>Example: <span class="desc">A common way to select all elements is to find within document.body so elements like head, script, etc are left out.</span>
</h4>
<pre class="prettyprint"><code class="example demo-code">&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
  &lt;style&gt;
  h3 { margin: 0; }
  div,span,p {
    width: 80px;
    height: 40px;
    float:left;
    padding: 10px;
    margin: 10px;
    background-color: #EEEEEE;
  }
  #test {
    width: auto; height: auto; background-color: transparent; 
  }
  &lt;/style&gt;
  &lt;script src="http://code.jquery.com/jquery-1.7rc2.js"&gt;&lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
  &lt;div id="test"&gt;
  &lt;div&gt;DIV&lt;/div&gt;
  &lt;span&gt;SPAN&lt;/span&gt;
  &lt;p&gt;P &lt;button&gt;Button&lt;/button&gt;&lt;/p&gt;
&lt;/div&gt;
&lt;script&gt;
var elementCount = $("#test").find("*").css("border","3px solid red").length;
$("body").prepend("&lt;h3&gt;" + elementCount + " elements found&lt;/h3&gt;");&lt;/script&gt;

&lt;/body&gt;
&lt;/html&gt;</code></pre>
<h4>Demo:</h4>
<div class="demo code-demo"></div>
</div>
</div>
</div>
</div>

        </div>

</body></html>