Revision 845307 of uneval()

<div>{{jsSidebar("Objects")}}{{Non-standard_header}}</div>

<p>The <code><strong>uneval()</strong></code> method creates an string representation of the source code of an Object.</p>

<h2 id="Syntax">Syntax</h2>

<pre class="syntaxbox">
uneval(<var>object</var>)</pre>

<h3 id="Parameters">Parameters</h3>

<dl>
 <dt><code>object</code></dt>
 <dd>A JavaScript expression or statement.</dd>
</dl>

<div class="note"><strong>Note:</strong> You won't get a valid JSON representation of your Object.</div>

<h2 id="Description">Description</h2>

<p><code>uneval()</code> is a top-level function and is not associated with any object.</p>

<h2 id="Examples">Examples</h2>

<pre class="brush:js">
var a = 1;
uneval(a); // returns a String containing 1

var b = "1";
uneval(b) // returns a String containing "1"

uneval(function foo(){}); // returns "(function foo(){})"


var a = uneval(function foo(){return 'hi'});
var foo = eval(a);
foo(); // returns "hi"
</pre>

<h2 id="Specifications">Specifications</h2>

<p>{{WhyNoSpecStart}}Not part of any specifications.{{WhyNoSpecEnd}}</p>

<h2 id="Browser_compatibility">Browser compatibility</h2>

<p>{{CompatibilityTable}}</p>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Chrome for Android</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>IE Mobile</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="See_also">See also</h2>

<ul>
 <li>{{jsxref("Global_Objects/eval", "eval()")}}</li>
 <li>{{jsxref("JSON.stringify")}}</li>
 <li>{{jsxref("JSON.parse")}}</li>
 <li>{{jsxref("Object.toSource")}}</li>
</ul>