<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!-- Generated: Mon Feb 23 16:43:32 EST 2004 jfouffa.w3.org --> <html lang='en-US'> <head> <title>ECMAScript Language Binding</title> <link rel='stylesheet' type='text/css' href='./spec.css'> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel='stylesheet' type='text/css' href='W3C-WG-NOTE.css'> <link rel='next' href='acknowledgements.html'> <link rel='contents' href='Overview.html#contents'> <link rel='copyright' href='copyright-notice.html'> <link rel='glossary' href='glossary.html'> <link rel='Start' href='Overview.html'> <link rel='index' href='def-index.html'> <link rel='author' href='mailto:www-dom@w3.org'> <link rel='help' href='http://www.w3.org/DOM/'> <link rel='prev' href='java-binding.html'> </head> <body> <div class='navbar' style='text-align: center'> <map id='navbar-top' name='navbar-top' title='Navigation Bar'><p> [<a title='Java Language Binding' accesskey='p' href='java-binding.html'><strong><u>p</u></strong>revious</a>] [<a title='Acknowledgements' accesskey='n' href='acknowledgements.html'><strong><u>n</u></strong>ext</a>] [<a title='Table of Contents' accesskey='c' href='Overview.html#contents'><strong><u>c</u></strong>ontents</a>] [<a title='Index' accesskey='i' href='def-index.html'><strong><u>i</u></strong>ndex</a>]</p> <hr title='Navigation area separator'> </map></div> <div class='noprint' style='text-align: right'> <p style='font-family: monospace;font-size:small'>26 February 2004</p> </div> <div class='div1'><a name='ecma-binding'></a> <h1 id='ecma-binding-h1' class='adiv1'>Appendix C: ECMAScript Language Binding</h1> <p class='first'>This appendix contains the complete ECMAScript [<cite><a class='noxref normative' href='references.html#ECMAScript'>ECMAScript</a></cite>] binding for the Level 3 Document Object Model XPath definitions.</p><div class='ecma-block'> <dl> <dt>Properties of the <b>XPathException</b> Constructor function:</dt> <dd> <dl> <dt><b>XPathException.INVALID_EXPRESSION_ERR</b></dt> <dd> The value of the constant <b>XPathException.INVALID_EXPRESSION_ERR</b> is <b>51</b>.</dd> <dt><b>XPathException.TYPE_ERR</b></dt> <dd> The value of the constant <b>XPathException.TYPE_ERR</b> is <b>52</b>.</dd> </dl></dd> <dt>Objects that implement the <b>XPathException</b> interface:</dt> <dd> <dl> <dt>Properties of objects that implement the <b>XPathException</b> interface:</dt> <dd><dl> <dt><b>code</b></dt> <dd> This property is a <b>Number</b>.</dd></dl></dd> </dl> </dd> <dt>Objects that implement the <b>XPathEvaluator</b> interface:</dt> <dd> <dl> <dt>Functions of objects that implement the <b>XPathEvaluator</b> interface:</dt> <dd><dl> <dt><b>createExpression(expression, resolver)</b></dt> <dd>This function returns an object that implements the <b>XPathExpression</b> interface.<br>The <b>expression</b> parameter is a <b>String</b>. <br>The <b>resolver</b> parameter is an object that implements the <b>XPathNSResolver</b> interface. <br>This function can raise an object that implements the <b>XPathException</b> interface or the <b>DOMException</b> interface.</dd> <dt><b>createNSResolver(nodeResolver)</b></dt> <dd>This function returns an object that implements the <b>XPathNSResolver</b> interface.<br>The <b>nodeResolver</b> parameter is an object that implements the <b>Node</b> interface. </dd> <dt><b>evaluate(expression, contextNode, resolver, type, result)</b></dt> <dd>This function returns an object that implements the <b>Object</b> interface.<br>The <b>expression</b> parameter is a <b>String</b>. <br>The <b>contextNode</b> parameter is an object that implements the <b>Node</b> interface. <br>The <b>resolver</b> parameter is an object that implements the <b>XPathNSResolver</b> interface. <br>The <b>type</b> parameter is a <b>Number</b>. <br>The <b>result</b> parameter is an object that implements the <b>Object</b> interface. <br>This function can raise an object that implements the <b>XPathException</b> interface or the <b>DOMException</b> interface.</dd> </dl></dd> </dl> </dd> <dt>Objects that implement the <b>XPathExpression</b> interface:</dt> <dd> <dl> <dt>Functions of objects that implement the <b>XPathExpression</b> interface:</dt> <dd><dl> <dt><b>evaluate(contextNode, type, result)</b></dt> <dd>This function returns an object that implements the <b>Object</b> interface.<br>The <b>contextNode</b> parameter is an object that implements the <b>Node</b> interface. <br>The <b>type</b> parameter is a <b>Number</b>. <br>The <b>result</b> parameter is an object that implements the <b>Object</b> interface. <br>This function can raise an object that implements the <b>XPathException</b> interface or the <b>DOMException</b> interface.</dd> </dl></dd> </dl> </dd> <dt>Objects that implement the <b>XPathNSResolver</b> interface:</dt> <dd> <dl> <dt>Functions of objects that implement the <b>XPathNSResolver</b> interface:</dt> <dd><dl> <dt><b>lookupNamespaceURI(prefix)</b></dt> <dd>This function returns a <b>String</b>.<br>The <b>prefix</b> parameter is a <b>String</b>. </dd> </dl></dd> </dl> </dd> <dt>Properties of the <b>XPathResult</b> Constructor function:</dt> <dd> <dl> <dt><b>XPathResult.ANY_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.ANY_TYPE</b> is <b>0</b>.</dd> <dt><b>XPathResult.NUMBER_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.NUMBER_TYPE</b> is <b>1</b>.</dd> <dt><b>XPathResult.STRING_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.STRING_TYPE</b> is <b>2</b>.</dd> <dt><b>XPathResult.BOOLEAN_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.BOOLEAN_TYPE</b> is <b>3</b>.</dd> <dt><b>XPathResult.UNORDERED_NODE_ITERATOR_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.UNORDERED_NODE_ITERATOR_TYPE</b> is <b>4</b>.</dd> <dt><b>XPathResult.ORDERED_NODE_ITERATOR_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.ORDERED_NODE_ITERATOR_TYPE</b> is <b>5</b>.</dd> <dt><b>XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE</b> is <b>6</b>.</dd> <dt><b>XPathResult.ORDERED_NODE_SNAPSHOT_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.ORDERED_NODE_SNAPSHOT_TYPE</b> is <b>7</b>.</dd> <dt><b>XPathResult.ANY_UNORDERED_NODE_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.ANY_UNORDERED_NODE_TYPE</b> is <b>8</b>.</dd> <dt><b>XPathResult.FIRST_ORDERED_NODE_TYPE</b></dt> <dd> The value of the constant <b>XPathResult.FIRST_ORDERED_NODE_TYPE</b> is <b>9</b>.</dd> </dl></dd> <dt>Objects that implement the <b>XPathResult</b> interface:</dt> <dd> <dl> <dt>Properties of objects that implement the <b>XPathResult</b> interface:</dt> <dd><dl> <dt><b>resultType</b></dt> <dd> This read-only property is a <b>Number</b>.</dd> <dt><b>numberValue</b></dt> <dd> This read-only property is a <b>Number</b> and can raise an object that implements the <b>XPathException</b> interface on retrieval.</dd> <dt><b>stringValue</b></dt> <dd> This read-only property is a <b>String</b> and can raise an object that implements the <b>XPathException</b> interface on retrieval.</dd> <dt><b>booleanValue</b></dt> <dd> This read-only property is a <b>Boolean</b> and can raise an object that implements the <b>XPathException</b> interface on retrieval.</dd> <dt><b>singleNodeValue</b></dt> <dd> This read-only property is an object that implements the <b>Node</b> interface and can raise an object that implements the <b>XPathException</b> interface on retrieval.</dd> <dt><b>invalidIteratorState</b></dt> <dd> This read-only property is a <b>Boolean</b>.</dd> <dt><b>snapshotLength</b></dt> <dd> This read-only property is a <b>Number</b> and can raise an object that implements the <b>XPathException</b> interface on retrieval.</dd> </dl></dd> <dt>Functions of objects that implement the <b>XPathResult</b> interface:</dt> <dd><dl> <dt><b>iterateNext()</b></dt> <dd>This function returns an object that implements the <b>Node</b> interface.<br>This function can raise an object that implements the <b>XPathException</b> interface or the <b>DOMException</b> interface.</dd> <dt><b>snapshotItem(index)</b></dt> <dd>This function returns an object that implements the <b>Node</b> interface.<br>The <b>index</b> parameter is a <b>Number</b>. <br>This function can raise an object that implements the <b>XPathException</b> interface.</dd> </dl></dd> </dl> </dd> <dt>Properties of the <b>XPathNamespace</b> Constructor function:</dt> <dd> <dl> <dt><b>XPathNamespace.XPATH_NAMESPACE_NODE</b></dt> <dd> The value of the constant <b>XPathNamespace.XPATH_NAMESPACE_NODE</b> is <b>13</b>.</dd> </dl></dd> <dt>Objects that implement the <b>XPathNamespace</b> interface:</dt> <dd> <dl> <dt>Objects that implement the <b>XPathNamespace</b> interface have all properties and functions of the <b>Node</b> interface as well as the properties and functions defined below.</dt> <dt>Properties of objects that implement the <b>XPathNamespace</b> interface:</dt> <dd><dl> <dt><b>ownerElement</b></dt> <dd> This read-only property is an object that implements the <b>Element</b> interface.</dd> </dl></dd> </dl> </dd> </dl> </div> <!-- ecma-block --> <p><b>Note:</b> The parameter <code>resolver</code> of the method <a href='xpath.html#XPathEvaluator-evaluate'><code>XPathEvaluator.evaluate</code></a> is specified as an object that implements the <a href='xpath.html#XPathNSResolver'><code>XPathNSResolver</code></a> interface. ECMAScript users can also pass to this method a function which returns a <code>String</code> and takes a <code>String</code> parameter instead of the <code>resolver</code> parameter. </p> </div> <!-- div1 ecma-binding --><div class='navbar' style='text-align: center'> <map id='navbar-bottom' name='navbar-bottom' title='Navigation Bar'><hr title='Navigation area separator'><p> [<a title='Java Language Binding' href='java-binding.html'><strong><u>p</u></strong>revious</a>] [<a title='Acknowledgements' href='acknowledgements.html'><strong><u>n</u></strong>ext</a>] [<a title='Table of Contents' href='Overview.html#contents'><strong><u>c</u></strong>ontents</a>] [<a title='Index' href='def-index.html'><strong><u>i</u></strong>ndex</a>]</p> </map></div> </body> </html>
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