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2 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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5 <title>YUI Library Examples: Node: Adding Node Content</title> |
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28 <a href="http://developer.yahoo.com/yui/3/">YUI 3.x Home</a> <i> - </i> |
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41 <div id="ygma"><a href="../../"><img src="../../assets/logo.gif" border="0" width="200" height="93"></a></div> |
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42 <div id="pagetitle"><h1>YUI Library Examples: Node: Adding Node Content</h1></div> |
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43 </div> |
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44 <div id="bd"> |
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45 |
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46 <div id="bar-note"><p><strong>Note:</strong> This is YUI 3.x. Looking for <a href="http://developer.yahoo.com/yui/">YUI 2.x</a>?</p></div> |
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47 |
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48 <div id="yui-main"> |
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49 <div class="yui-b"> |
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50 <div class="yui-ge"> |
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51 <div class="yui-u first example" id="main"> |
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52 |
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53 <h2>Node: Adding Node Content</h2> |
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54 |
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55 <div id="example" class="promo"> |
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56 <p> |
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57 <p>This example demonstrates how to use events with NodeList instances.</p> |
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58 <p>Clicking a box will update its content.</p> |
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59 </p> |
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60 |
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61 <div class="module example-container "> |
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62 <div class="hd exampleHd"> |
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63 <p class="newWindowButton yui-skin-sam"> |
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64 <a href="node-insert_clean.html" target="_blank">View example in new window.</a> |
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65 </p> |
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66 </div> <div id="example-canvas" class="bd"> |
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67 |
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68 |
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69 <!--BEGIN SOURCE CODE FOR EXAMPLE =============================== --> |
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70 |
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71 <ul id="demo"> |
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72 <li>foo</li> |
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73 <li>bar</li> |
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74 </ul> |
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75 |
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76 <script type="text/javascript"> |
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77 YUI({base:"../../build/", timeout: 10000}).use("node", function(Y) { |
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78 var onClick = function(e) { |
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79 var node = e.currentTarget; |
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80 node.prepend('<em>prepended</em> '); // added as firstChild |
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81 node.append(' <em>appended</em>'); // added as lastChild |
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82 node.insert(' <strong>before last child</strong> ', node.get('lastChild')); // added before lastChild |
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83 node.insert(' <strong>before childNodes[1]</strong> ', 1); // added before childNodes[1] |
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84 }; |
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85 |
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86 Y.all('#demo li').on('click', onClick); |
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87 }); |
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88 </script> |
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89 |
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90 |
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91 <!--END SOURCE CODE FOR EXAMPLE =============================== --> |
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92 |
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93 |
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94 </div> |
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95 </div> |
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96 </div> |
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97 |
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98 <h3>Setting up the NodeList</h3> |
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99 <p>First we need some HTML to work with.</p> |
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100 <textarea name="code" class="HTML"> |
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101 <ul id="demo"> |
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102 <li>foo</li> |
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103 <li>bar</li> |
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104 </ul> |
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105 </textarea> |
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106 <h3>Adding Content</h3> |
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107 <p>Next we will add a handler to run when the event is fired. In our handler we will add content to the node.</p> |
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108 <p>Note that the event handler receives an event object with its <code>currentTarget</code> set to the current Node instance, and the actual node clicked as the <code>target</code>. The context of the handler is the NodeList instance, so <code>this</code> refers to our NodeList instance.</p> |
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109 <p>Note that <code>prepend</code> adds the content as the <code>firstChild</code> of the Node instance, <code>append</code> ass the content as the <code>lastChild</code>, and <code>insert</code> inserts the content before the given node or childNode index.</p> |
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110 <textarea name="code" class="JScript"> |
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111 var onClick = function(e) { |
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112 var node = e.currentTarget; |
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113 node.prepend('<em>prepended</em> '); // added as firstChild |
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114 node.append(' <em>appended</em>'); // added as lastChild |
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115 node.insert(' <strong>before last child</strong> ', node.get('lastChild')); // added before lastChild |
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116 node.insert(' <strong>before childNodes[1]</strong> ', 1); // added before childNodes[1] |
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117 }; |
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118 </textarea> |
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119 |
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120 <h3>Attaching Events</h3> |
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121 <p>We can assign our handler to all of the items by using the <code>all</code> method to get a <code>NodeList</code> instance and using the <code>on</code> method to subscribe to the event.</p> |
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122 <textarea name="code" class="JScript"> |
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123 Y.all('#demo li').on('click', onClick); |
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124 </textarea> |
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125 |
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126 <h3>Full Script Source</h3> |
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127 <textarea name="code" class="JScript"> |
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128 YUI().use('node', function(Y) { |
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129 var onClick = function(e) { |
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130 var node = e.currentTarget; |
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131 node.prepend('<em>prepended</em> '); // added as firstChild |
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132 node.append(' <em>appended</em>'); // added as lastChild |
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133 node.insert(' <strong>before last child</strong> ', node.get('lastChild')); // added before lastChild |
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134 node.insert(' <strong>before childNodes[1]</strong> ', 1); // added before childNodes[1] |
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135 }; |
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136 |
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137 Y.all('#demo li').on('click', onClick); |
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138 }); |
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139 </textarea> |
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140 </div> |
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141 <div class="yui-u sidebar"> |
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142 |
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143 |
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144 <div id="examples" class="mod box4"> |
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145 <div class="hd"> |
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146 <h4> |
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147 Node Examples:</h4> |
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148 </div> |
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149 <div class="bd"> |
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150 <ul> |
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151 <li><a href='../node/basic-node.html'>Node Basics</a></li><li><a href='../node/dom-node.html'>DOM Methods</a></li><li><a href='../node/event-node.html'>NodeList Events</a></li><li><a href='../node/nodelist.html'>NodeList</a></li><li><a href='../node/node-evt-delegation.html'>Delegating Node Events</a></li><li><a href='../node/node-screen.html'>Measuring the Window and Document</a></li><li><a href='../node/node-xy.html'>Node Positioning</a></li><li><a href='../node/node-style.html'>Node Styling</a></li><li class='selected'><a href='../node/node-insert.html'>Adding Node Content</a></li><li><a href='../node/node-change.html'>Using Node Change Events</a></li><li><a href='../node-focusmanager/node-focusmanager-3.html'>Accessible Menu Button (included with examples for Focus Manager Node Plugin)</a></li><li><a href='../node-focusmanager/node-focusmanager-2.html'>Accessible TabView (included with examples for Focus Manager Node Plugin)</a></li><li><a href='../node-focusmanager/node-focusmanager-1.html'>Accessible Toolbar (included with examples for Focus Manager Node Plugin)</a></li><li><a href='../attribute/attribute-getset.html'>Getters, Setters and Validators (included with examples for Attribute)</a></li><li><a href='../dd/photo-browser.html'>Photo Browser (included with examples for Drag & Drop)</a></li> </ul> |
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152 </div> |
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153 </div> |
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154 |
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155 <div class="mod box4"> |
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156 <div class="hd"> |
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157 <h4>More Node Resources:</h4> |
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158 </div> |
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159 <div class="bd"> |
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160 <ul> |
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161 <!-- <li><a href="http://developer.yahoo.com/yui/node/">User's Guide</a> (external)</li> --> |
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162 <li><a href="../../api/module_node.html">API Documentation</a></li> |
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163 </ul> |
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168 |
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172 |
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