		<td><code>sh:js</code></td>
					<td>A <a>JavaScript-based constraint</a> declaring the JavaScript function to evaluate.</td>
				</tr>
			</table>
			<p>
				The <a>values</a> of <code>sh:js</code> at a <a>shape</a> are called <dfn data-lt="JavaScript-based constraint">JavaScript-based constraints</dfn>.
				Each JavaScript-based constraint is also a <a>JavaScript executable</a>.
				The syntax rules and validation process for JavaScript-based constraints are defined in the rest of this section.
			</p>
