Ref gh-240. Warn about changing input type in oldIE.

Author: dmethvin

entries/attr.xml

@@ -20,6 +20,9 @@
       <blockquote>
         <p><strong>Note:</strong> Attribute values are strings with the exception of a few attributes such as value and tabindex.</p>
       </blockquote>
+      <blockquote>
+        <p><strong>Note:</strong> Attempting to change the <code>type</code> attribute (or property) of an <code>input</code> element created via HTML or already in an HTML document will result in an error being thrown by Internet Explorer 6, 7, or 8.</p>
+      </blockquote>
       <p>As of jQuery 1.6, the <code>.attr()</code> method returns <code>undefined</code> for attributes that have not been set. <strong>To retrieve and change DOM properties such as the <code>checked</code>, <code>selected</code>, or <code>disabled</code> state of form elements, use the <a href="http://api.jquery.com/prop/">.prop()</a> method.</strong></p>
 
       <h4>Attributes vs. Properties</h4>

entries/prop.xml

@@ -12,6 +12,9 @@
     <desc>Get the value of a property for the first element in the set of matched elements.</desc>
     <longdesc>
       <p>The <code>.prop()</code> method gets the property value for only the <em>first</em> element in the matched set. It returns <code>undefined</code> for the value of a property that has not been set, or if the matched set has no elements. To get the value for each element individually, use a looping construct such as jQuery's <code>.each()</code> or <code>.map()</code> method.</p>
+	  <blockquote>
+        <p><strong>Note:</strong> Attempting to change the <code>type</code> property (or attribute) of an <code>input</code> element created via HTML or already in an HTML document will result in an error being thrown by Internet Explorer 6, 7, or 8.</p>
+      </blockquote>
       <h4>Attributes vs. Properties</h4>
       <p>The difference between <em>attributes</em> and <em>properties</em> can be important in specific situations. <strong>Before jQuery 1.6</strong>, the <code><a href="http://api.jquery.com/attr/">.attr()</a></code> method sometimes took property values into account when retrieving some attributes, which could cause inconsistent behavior. <strong>As of jQuery 1.6</strong>, the <code>.prop()</code> method provides a way to explicitly retrieve property values, while <code>.attr()</code> retrieves attributes.</p>
       <p>For example, <code>selectedIndex</code>, <code>tagName</code>, <code>nodeName</code>, <code>nodeType</code>, <code>ownerDocument</code>, <code>defaultChecked</code>, and <code>defaultSelected</code> should be retrieved and set with the <code>.prop()</code> method. Prior to jQuery 1.6, these properties were retrievable with the <code>.attr()</code> method, but this was not within the scope of <code>attr</code>. These do not have corresponding attributes and are only properties.</p>