s can cause confusing issues if they are misunderstood. A typical symptom of key related issues is that application state appears to become corrupted after a few user interactions (usually involving a deletion).</p>
<h4 id="avoid-wrapper-elements-around-keyed-elements"><a href="#avoid-wrapper-elements-around-keyed-elements">Avoid wrapper elements around keyed elements</a></h4>
<p>Keys must be placed on the virtual node that is an immediate child of the array. This means that if you wrap the <code>button</co