Fix jquery#54. Warn in 1st example that using bare universal selector may select elements added by browser extensions.

kswedberg · kswedberg · commit 509a39257605 · 2012-08-20T15:25:09.000-04:00
diff --git a/entries/all-selector.xml b/entries/all-selector.xml
@@ -10,7 +10,7 @@
     <p>Caution: The all, or universal, selector is extremely slow, except when used by itself.</p>
   </longdesc>
   <example>
-    <desc>Finds every element (including head, body, etc) in the document.</desc>
+    <desc>Find every element (including head, body, etc) in the document. Note that if your browser has an extension/add-on enabled that inserts a <code>&lt;script&gt;</code> or <code>&lt;link&gt;</code> element into the DOM, that element will be counted as well.</desc>
     <code><![CDATA[var elementCount = $("*").css("border","3px solid red").length;
 $("body").prepend("<h3>" + elementCount + " elements found</h3>");]]></code>
     <html><![CDATA[<div>DIV</div>
@@ -30,7 +30,7 @@ $("body").prepend("<h3>" + elementCount + " elements found</h3>");]]></code>
   ]]></css>
   </example>
   <example>
-    <desc>A common way to select all elements is to find within document.body so elements like head, script, etc are left out.</desc>
+    <desc>Find all elements within document.body so elements like head, script, etc. are excluded.</desc>
     <code><![CDATA[
 var elementCount = $("#test").find("*").css("border","3px solid red").length;
 $("body").prepend("<h3>" + elementCount + " elements found</h3>");]]></code>
@@ -56,4 +56,4 @@ $("body").prepend("<h3>" + elementCount + " elements found</h3>");]]></code>
   </example>
   <category slug="selectors/basic-css-selectors"/>
   <category slug="version/1.0"/>
-</entry>
+</entry>
