Type is a characteristic of a {{glossary("value")}} affecting which operations on that value are valid. For example, an integer can be multiplied by an integer, but not by a string.
<p><strong>Type</strong> is a characteristic of a {{glossary("value")}} affecting which operations on that value are valid. For example, an integer can be multiplied by an integer, but not by a string.</p>
<h2 id="Learn_more">Learn more</h2>
<h3 id="General_knowledge">General knowledge</h3>
<ul>
<li>{{Interwiki("wikipedia", "Data type")}} on Wikipedia</li>
<li><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures">Data types in JavaScript</a></li>
</ul>