| 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> |
| 2 | <html> |
| 3 | <head> |
| 4 | <link rel="STYLESHEET" href="lib.css" type='text/css' /> |
| 5 | <link rel="SHORTCUT ICON" href="../icons/pyfav.png" type="image/png" /> |
| 6 | <link rel='start' href='../index.html' title='Python Documentation Index' /> |
| 7 | <link rel="first" href="lib.html" title='Python Library Reference' /> |
| 8 | <link rel='contents' href='contents.html' title="Contents" /> |
| 9 | <link rel='index' href='genindex.html' title='Index' /> |
| 10 | <link rel='last' href='about.html' title='About this document...' /> |
| 11 | <link rel='help' href='about.html' title='About this document...' /> |
| 12 | <link rel="next" href="dom-attr-objects.html" /> |
| 13 | <link rel="prev" href="dom-document-objects.html" /> |
| 14 | <link rel="parent" href="node652.html" /> |
| 15 | <link rel="next" href="dom-attr-objects.html" /> |
| 16 | <meta name='aesop' content='information' /> |
| 17 | <title>13.6.2.6 Element Objects </title> |
| 18 | </head> |
| 19 | <body> |
| 20 | <DIV CLASS="navigation"> |
| 21 | <div id='top-navigation-panel' xml:id='top-navigation-panel'> |
| 22 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> |
| 23 | <tr> |
| 24 | <td class='online-navigation'><a rel="prev" title="13.6.2.5 Document Objects" |
| 25 | href="dom-document-objects.html"><img src='../icons/previous.png' |
| 26 | border='0' height='32' alt='Previous Page' width='32' /></A></td> |
| 27 | <td class='online-navigation'><a rel="parent" title="13.6.2 Objects in the" |
| 28 | href="node652.html"><img src='../icons/up.png' |
| 29 | border='0' height='32' alt='Up One Level' width='32' /></A></td> |
| 30 | <td class='online-navigation'><a rel="next" title="13.6.2.7 Attr Objects" |
| 31 | href="dom-attr-objects.html"><img src='../icons/next.png' |
| 32 | border='0' height='32' alt='Next Page' width='32' /></A></td> |
| 33 | <td align="center" width="100%">Python Library Reference</td> |
| 34 | <td class='online-navigation'><a rel="contents" title="Table of Contents" |
| 35 | href="contents.html"><img src='../icons/contents.png' |
| 36 | border='0' height='32' alt='Contents' width='32' /></A></td> |
| 37 | <td class='online-navigation'><a href="modindex.html" title="Module Index"><img src='../icons/modules.png' |
| 38 | border='0' height='32' alt='Module Index' width='32' /></a></td> |
| 39 | <td class='online-navigation'><a rel="index" title="Index" |
| 40 | href="genindex.html"><img src='../icons/index.png' |
| 41 | border='0' height='32' alt='Index' width='32' /></A></td> |
| 42 | </tr></table> |
| 43 | <div class='online-navigation'> |
| 44 | <b class="navlabel">Previous:</b> |
| 45 | <a class="sectref" rel="prev" href="dom-document-objects.html">13.6.2.5 Document Objects</A> |
| 46 | <b class="navlabel">Up:</b> |
| 47 | <a class="sectref" rel="parent" href="node652.html">13.6.2 Objects in the</A> |
| 48 | <b class="navlabel">Next:</b> |
| 49 | <a class="sectref" rel="next" href="dom-attr-objects.html">13.6.2.7 Attr Objects</A> |
| 50 | </div> |
| 51 | <hr /></div> |
| 52 | </DIV> |
| 53 | <!--End of Navigation Panel--> |
| 54 | |
| 55 | <H3><A NAME="SECTION0015626000000000000000"></A><A NAME="dom-element-objects"></A> |
| 56 | <BR> |
| 57 | 13.6.2.6 Element Objects |
| 58 | </H3> |
| 59 | |
| 60 | <P> |
| 61 | <tt class="class">Element</tt> is a subclass of <tt class="class">Node</tt>, so inherits all the |
| 62 | attributes of that class. |
| 63 | |
| 64 | <P> |
| 65 | <dl><dt><b><tt id='l2h-4403' xml:id='l2h-4403' class="member">tagName</tt></b></dt> |
| 66 | <dd> |
| 67 | The element type name. In a namespace-using document it may have |
| 68 | colons in it. The value is a string. |
| 69 | </dl> |
| 70 | |
| 71 | <P> |
| 72 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 73 | <td><nobr><b><tt id='l2h-4404' xml:id='l2h-4404' class="method">getElementsByTagName</tt></b>(</nobr></td> |
| 74 | <td><var>tagName</var>)</td></tr></table></dt> |
| 75 | <dd> |
| 76 | Same as equivalent method in the <tt class="class">Document</tt> class. |
| 77 | </dl> |
| 78 | |
| 79 | <P> |
| 80 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 81 | <td><nobr><b><tt id='l2h-4405' xml:id='l2h-4405' class="method">getElementsByTagNameNS</tt></b>(</nobr></td> |
| 82 | <td><var>tagName</var>)</td></tr></table></dt> |
| 83 | <dd> |
| 84 | Same as equivalent method in the <tt class="class">Document</tt> class. |
| 85 | </dl> |
| 86 | |
| 87 | <P> |
| 88 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 89 | <td><nobr><b><tt id='l2h-4406' xml:id='l2h-4406' class="method">hasAttribute</tt></b>(</nobr></td> |
| 90 | <td><var>name</var>)</td></tr></table></dt> |
| 91 | <dd> |
| 92 | Returns true if the element has an attribute named by <var>name</var>. |
| 93 | </dl> |
| 94 | |
| 95 | <P> |
| 96 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 97 | <td><nobr><b><tt id='l2h-4407' xml:id='l2h-4407' class="method">hasAttributeNS</tt></b>(</nobr></td> |
| 98 | <td><var>namespaceURI, localName</var>)</td></tr></table></dt> |
| 99 | <dd> |
| 100 | Returns true if the element has an attribute named by |
| 101 | <var>namespaceURI</var> and <var>localName</var>. |
| 102 | </dl> |
| 103 | |
| 104 | <P> |
| 105 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 106 | <td><nobr><b><tt id='l2h-4408' xml:id='l2h-4408' class="method">getAttribute</tt></b>(</nobr></td> |
| 107 | <td><var>name</var>)</td></tr></table></dt> |
| 108 | <dd> |
| 109 | Return the value of the attribute named by <var>name</var> as a |
| 110 | string. If no such attribute exists, an empty string is returned, |
| 111 | as if the attribute had no value. |
| 112 | </dl> |
| 113 | |
| 114 | <P> |
| 115 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 116 | <td><nobr><b><tt id='l2h-4409' xml:id='l2h-4409' class="method">getAttributeNode</tt></b>(</nobr></td> |
| 117 | <td><var>attrname</var>)</td></tr></table></dt> |
| 118 | <dd> |
| 119 | Return the <tt class="class">Attr</tt> node for the attribute named by |
| 120 | <var>attrname</var>. |
| 121 | </dl> |
| 122 | |
| 123 | <P> |
| 124 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 125 | <td><nobr><b><tt id='l2h-4410' xml:id='l2h-4410' class="method">getAttributeNS</tt></b>(</nobr></td> |
| 126 | <td><var>namespaceURI, localName</var>)</td></tr></table></dt> |
| 127 | <dd> |
| 128 | Return the value of the attribute named by <var>namespaceURI</var> and |
| 129 | <var>localName</var> as a string. If no such attribute exists, an empty |
| 130 | string is returned, as if the attribute had no value. |
| 131 | </dl> |
| 132 | |
| 133 | <P> |
| 134 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 135 | <td><nobr><b><tt id='l2h-4411' xml:id='l2h-4411' class="method">getAttributeNodeNS</tt></b>(</nobr></td> |
| 136 | <td><var>namespaceURI, localName</var>)</td></tr></table></dt> |
| 137 | <dd> |
| 138 | Return an attribute value as a node, given a <var>namespaceURI</var> and |
| 139 | <var>localName</var>. |
| 140 | </dl> |
| 141 | |
| 142 | <P> |
| 143 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 144 | <td><nobr><b><tt id='l2h-4412' xml:id='l2h-4412' class="method">removeAttribute</tt></b>(</nobr></td> |
| 145 | <td><var>name</var>)</td></tr></table></dt> |
| 146 | <dd> |
| 147 | Remove an attribute by name. No exception is raised if there is no |
| 148 | matching attribute. |
| 149 | </dl> |
| 150 | |
| 151 | <P> |
| 152 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 153 | <td><nobr><b><tt id='l2h-4413' xml:id='l2h-4413' class="method">removeAttributeNode</tt></b>(</nobr></td> |
| 154 | <td><var>oldAttr</var>)</td></tr></table></dt> |
| 155 | <dd> |
| 156 | Remove and return <var>oldAttr</var> from the attribute list, if present. |
| 157 | If <var>oldAttr</var> is not present, <tt class="exception">NotFoundErr</tt> is raised. |
| 158 | </dl> |
| 159 | |
| 160 | <P> |
| 161 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 162 | <td><nobr><b><tt id='l2h-4414' xml:id='l2h-4414' class="method">removeAttributeNS</tt></b>(</nobr></td> |
| 163 | <td><var>namespaceURI, localName</var>)</td></tr></table></dt> |
| 164 | <dd> |
| 165 | Remove an attribute by name. Note that it uses a localName, not a |
| 166 | qname. No exception is raised if there is no matching attribute. |
| 167 | </dl> |
| 168 | |
| 169 | <P> |
| 170 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 171 | <td><nobr><b><tt id='l2h-4415' xml:id='l2h-4415' class="method">setAttribute</tt></b>(</nobr></td> |
| 172 | <td><var>name, value</var>)</td></tr></table></dt> |
| 173 | <dd> |
| 174 | Set an attribute value from a string. |
| 175 | </dl> |
| 176 | |
| 177 | <P> |
| 178 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 179 | <td><nobr><b><tt id='l2h-4416' xml:id='l2h-4416' class="method">setAttributeNode</tt></b>(</nobr></td> |
| 180 | <td><var>newAttr</var>)</td></tr></table></dt> |
| 181 | <dd> |
| 182 | Add a new attribute node to the element, replacing an existing |
| 183 | attribute if necessary if the <tt class="member">name</tt> attribute matches. If a |
| 184 | replacement occurs, the old attribute node will be returned. If |
| 185 | <var>newAttr</var> is already in use, <tt class="exception">InuseAttributeErr</tt> will be |
| 186 | raised. |
| 187 | </dl> |
| 188 | |
| 189 | <P> |
| 190 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 191 | <td><nobr><b><tt id='l2h-4417' xml:id='l2h-4417' class="method">setAttributeNodeNS</tt></b>(</nobr></td> |
| 192 | <td><var>newAttr</var>)</td></tr></table></dt> |
| 193 | <dd> |
| 194 | Add a new attribute node to the element, replacing an existing |
| 195 | attribute if necessary if the <tt class="member">namespaceURI</tt> and |
| 196 | <tt class="member">localName</tt> attributes match. If a replacement occurs, the old |
| 197 | attribute node will be returned. If <var>newAttr</var> is already in use, |
| 198 | <tt class="exception">InuseAttributeErr</tt> will be raised. |
| 199 | </dl> |
| 200 | |
| 201 | <P> |
| 202 | <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> |
| 203 | <td><nobr><b><tt id='l2h-4418' xml:id='l2h-4418' class="method">setAttributeNS</tt></b>(</nobr></td> |
| 204 | <td><var>namespaceURI, qname, value</var>)</td></tr></table></dt> |
| 205 | <dd> |
| 206 | Set an attribute value from a string, given a <var>namespaceURI</var> and a |
| 207 | <var>qname</var>. Note that a qname is the whole attribute name. This is |
| 208 | different than above. |
| 209 | </dl> |
| 210 | |
| 211 | <P> |
| 212 | |
| 213 | <DIV CLASS="navigation"> |
| 214 | <div class='online-navigation'> |
| 215 | <p></p><hr /> |
| 216 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> |
| 217 | <tr> |
| 218 | <td class='online-navigation'><a rel="prev" title="13.6.2.5 Document Objects" |
| 219 | href="dom-document-objects.html"><img src='../icons/previous.png' |
| 220 | border='0' height='32' alt='Previous Page' width='32' /></A></td> |
| 221 | <td class='online-navigation'><a rel="parent" title="13.6.2 Objects in the" |
| 222 | href="node652.html"><img src='../icons/up.png' |
| 223 | border='0' height='32' alt='Up One Level' width='32' /></A></td> |
| 224 | <td class='online-navigation'><a rel="next" title="13.6.2.7 Attr Objects" |
| 225 | href="dom-attr-objects.html"><img src='../icons/next.png' |
| 226 | border='0' height='32' alt='Next Page' width='32' /></A></td> |
| 227 | <td align="center" width="100%">Python Library Reference</td> |
| 228 | <td class='online-navigation'><a rel="contents" title="Table of Contents" |
| 229 | href="contents.html"><img src='../icons/contents.png' |
| 230 | border='0' height='32' alt='Contents' width='32' /></A></td> |
| 231 | <td class='online-navigation'><a href="modindex.html" title="Module Index"><img src='../icons/modules.png' |
| 232 | border='0' height='32' alt='Module Index' width='32' /></a></td> |
| 233 | <td class='online-navigation'><a rel="index" title="Index" |
| 234 | href="genindex.html"><img src='../icons/index.png' |
| 235 | border='0' height='32' alt='Index' width='32' /></A></td> |
| 236 | </tr></table> |
| 237 | <div class='online-navigation'> |
| 238 | <b class="navlabel">Previous:</b> |
| 239 | <a class="sectref" rel="prev" href="dom-document-objects.html">13.6.2.5 Document Objects</A> |
| 240 | <b class="navlabel">Up:</b> |
| 241 | <a class="sectref" rel="parent" href="node652.html">13.6.2 Objects in the</A> |
| 242 | <b class="navlabel">Next:</b> |
| 243 | <a class="sectref" rel="next" href="dom-attr-objects.html">13.6.2.7 Attr Objects</A> |
| 244 | </div> |
| 245 | </div> |
| 246 | <hr /> |
| 247 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> |
| 248 | </DIV> |
| 249 | <!--End of Navigation Panel--> |
| 250 | <ADDRESS> |
| 251 | See <i><a href="about.html">About this document...</a></i> for information on suggesting changes. |
| 252 | </ADDRESS> |
| 253 | </BODY> |
| 254 | </HTML> |