If the following piece of JavaScript code is executed, will it work if not, what kind of possible error can occur?
<ol class="dp-xml" start="1">
 	<li class="alt">function fun(o)</li>
 	<li class="">{</li>
 	<li class="alt">for(;o.next; <span class="attribute">o</span><span class="attribute-value">o</span> =o.next);</li>
 	<li class="">return o;</li>
 	<li class="alt">}</li>
</ol>