 'string'}</span>
<span class="hljs-keyword">const</span> unmarshalled = marshaller.unmarshallValue(marshalled); <span class="hljs-comment">// returns 'string'</span>
</code></pre>
				<h2 id="caveats">Caveats</h2>
				<p>There are a few categories of values that cannot be seamlessly converted between
				JavaScript and DynamoDB, such as big numbers, empty values, and mixed-type sets.</p>
				<h3 id="big-number-support">Big number support</h3>
				<p>By default, the marshaller will unmarshall numeric values