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Short URL: http://html5.org/r/4106

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SVNBugCommentTime (UTC)
4106Make stepUp() and stepDown() arguments optional.2009-10-12 01:10
Index: source
===================================================================
--- source	(revision 4105)
+++ source	(revision 4106)
@@ -34666,8 +34666,8 @@
   readonly attribute <span>HTMLOptionElement</span> <span title="dom-input-selectedOption">selectedOption</span>;
            attribute DOMString <span title="dom-dim-width">width</span>;
 
-  void <span title="dom-input-stepUp">stepUp</span>(in long n);
-  void <span title="dom-input-stepDown">stepDown</span>(in long n);
+  void <span title="dom-input-stepUp">stepUp</span>(in optional long n);
+  void <span title="dom-input-stepDown">stepDown</span>(in optional long n);
 
   readonly attribute boolean <span title="dom-cva-willValidate">willValidate</span>;
   readonly attribute <span>ValidityState</span> <span title="dom-cva-validity">validity</span>;
@@ -39928,15 +39928,15 @@
 
    </dd>
 
-   <dt><var title="">input</var> . <code title="dom-input-stepUp">stepUp</code>(<var title="">n</var>)</dt>
-   <dt><var title="">input</var> . <code title="dom-input-stepDown">stepDown</code>(<var title="">n</var>)</dt>
+   <dt><var title="">input</var> . <code title="dom-input-stepUp">stepUp</code>( [ <var title="">n</var> ] )</dt>
+   <dt><var title="">input</var> . <code title="dom-input-stepDown">stepDown</code>( [ <var title="">n</var> ] )</dt>
 
    <dd>
 
     <p>Changes the form control's <span
     title="concept-fe-value">value</span> by the value given in the
     <code title="attr-input-step">step</code> attribute, multiplied by
-    <var title="">n</var>.</p>
+    <var title="">n</var>. The default is 1.</p>
 
     <p>Throws <code>INVALID_STATE_ERR</code> exception if the control
     is neither date- or time-based nor numeric, if the <code
@@ -40157,6 +40157,9 @@
    these steps; otherwise, let <var title="">value</var> be the result
    of that algorithm.</p></li>
 
+   <li><p>Let <var title="">n</var> be the argument, or 1 if the
+   argument was omitted.</p></li>
+
    <li><p>Let <var title="">delta</var> be the <span
    title="concept-input-step">allowed value step</span> multiplied by
    <var title="">n</var>.</p></li>
@@ -94572,6 +94575,7 @@
   Sam Weinig,
   Sander van Lambalgen,
   Sarven Capadisli,
+  Scott Gonz&aacute;lez,
   Scott Hess,
   Sean Fraser,
   Sean Hogan,

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