<p class="pq"> What kind of work is being performed in the following given part of JavaScript's code?</p>

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 	<li class="alt"><span class="tag">&lt;</span><span class="tag-name">script</span><span class="tag">&gt;</span></li>
 	<li class="alt"><span class="attribute">o</span> = {x:1, y:{z:[false,null,""]}};</li>
 	<li class=""><span class="attribute">s</span> = <span class="attribute-value">JSON</span>.stringify(o);</li>
 	<li class="alt"><span class="attribute">p</span> = <span class="attribute-value">JSON</span>.parse(s);</li>
 	<li class=""><span class="tag">&lt;/</span><span class="tag-name">script</span><span class="tag">&gt;</span></li>
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