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<div class="body-wrap"><div class="top-tools"><a class="inner-link" href="#Ext-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a><a class="inner-link" href="#Ext-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a><a class="inner-link" href="#Ext-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a><a class="bookmark" href="../docs/?class=Ext"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a></div><h1>Class Ext</h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Global</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="../source/core/Ext.js" target="_blank">Ext.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info">Ext</td></tr><tr><td class="label">Extends:</td><td class="hd-info">Object</td></tr></table><div class="description">Ext core utilities and functions.<br><br><i>This class is a singleton and cannot be created directly.</i> </div><div class="hr"></div><a id="Ext-props"></a><h2>Public Properties</h2><table cellspacing="0" class="member-table"><tr><th class="sig-header" colspan="2">Property</th><th class="msource-header">Defined By</th></tr><tr class="property-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-BLANK_IMAGE_URL"></a><b>BLANK_IMAGE_URL</b> : String <div class="mdesc"><div class="short">URL to a 1x1 transparent gif image used by Ext to create inline icons with CSS background images. (Defaults to"http:...</div><div class="long">URL to a 1x1 transparent gif image used by Ext to create inline icons with CSS background images. (Defaults to"http://extjs.com/s.gif" and you should change this to a URL on your server). </div></div></td><td class="msource">Ext</td></tr><tr class="property-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-SSL_SECURE_URL"></a><b>SSL_SECURE_URL</b> : String <div class="mdesc"><div class="short">URL to a blank file used by Ext when in secure mode for iframe src and onReady src to preventthe IE insecure content...</div><div class="long">URL to a blank file used by Ext when in secure mode for iframe src and onReady src to preventthe IE insecure content warning (defaults to javascript:false). </div></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-emptyFn"></a><b>emptyFn</b> : Function <div class="mdesc">A reusable empty function </div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-enableGarbageCollector"></a><b>enableGarbageCollector</b> : Boolean <div class="mdesc">True to automatically uncache orphaned Ext.Elements periodically (defaults to true) </div></td><td class="msource">Ext</td></tr><tr class="property-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-enableListenerCollection"></a><b>enableListenerCollection</b> : Boolean <div class="mdesc"><div class="short">True to automatically purge event listeners after uncaching an element (defaults to false).Note: this only happens i...</div><div class="long">True to automatically purge event listeners after uncaching an element (defaults to false).Note: this only happens if enableGarbageCollector is true. </div></div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isAir"></a><b>isAir</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isBorderBox"></a><b>isBorderBox</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isGecko"></a><b>isGecko</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isIE"></a><b>isIE</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isIE6"></a><b>isIE6</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isIE7"></a><b>isIE7</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isLinux"></a><b>isLinux</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isMac"></a><b>isMac</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isOpera"></a><b>isOpera</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isReady"></a><b>isReady</b> : Boolean <div class="mdesc">True when the document is fully initialized and ready for action </div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isSafari"></a><b>isSafari</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isSafari2"></a><b>isSafari2</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isSafari3"></a><b>isSafari3</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isSecure"></a><b>isSecure</b> : Boolean <div class="mdesc">True if the page is running over SSL </div></td><td class="msource">Ext</td></tr><tr class="property-row alt"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isStrict"></a><b>isStrict</b> : Boolean <div class="mdesc">True if the browser is in strict mode </div></td><td class="msource">Ext</td></tr><tr class="property-row"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isWindows"></a><b>isWindows</b> : Boolean <div class="mdesc"></div></td><td class="msource">Ext</td></tr><tr class="property-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-useShims"></a><b>useShims</b> : Boolean <div class="mdesc"><div class="short">By default, Ext intelligently decides whether floating elements should be shimmed. If you are using flash,you ...</div><div class="long">By default, Ext intelligently decides whether floating elements should be shimmed. If you are using flash,you may want to set this to true. </div></div></td><td class="msource">Ext</td></tr></table><a id="Ext-methods"></a><h2>Public Methods</h2><table cellspacing="0" class="member-table"><tr><th class="sig-header" colspan="2">Method</th><th class="msource-header">Defined By</th></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-addBehaviors"></a><b>addBehaviors</b>( <code>Object obj</code> ) : void <div class="mdesc"><div class="short">Applies event listeners to elements by selectors when the document is ready.The event name is specified with an @ su...</div><div class="long">Applies event listeners to elements by selectors when the document is ready.The event name is specified with an @ suffix.<pre><code>Ext.addBehaviors({<i>// add a listener <b>for</b> click on all anchors <b>in</b> element <b>with</b> id foo</i><em>'#foo a@click'</em> : <b>function</b>(e, t){<i>// <b>do</b> something</i>},<i>// add the same listener to multiple selectors (separated by comma BEFORE the @)</i><em>'#foo a, #bar span.some-class@mouseover'</em> : <b>function</b>(){<i>// <b>do</b> something</i>}});</code></pre> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>obj</code> : Object<div class="sub-desc">The list of behaviors to apply</div></li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-apply"></a><b>apply</b>( <code>Object obj</code>, <code>Object config</code>, <code>Object defaults</code> ) : Object <div class="mdesc"><div class="short">Copies all the properties of config to obj.</div><div class="long">Copies all the properties of config to obj. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>obj</code> : Object<div class="sub-desc">The receiver of the properties</div></li><li><code>config</code> : Object<div class="sub-desc">The source of the properties</div></li><li><code>defaults</code> : Object<div class="sub-desc">A different object that will also be applied for default values</div></li> </ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc">returns obj</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-applyIf"></a><b>applyIf</b>( <code>Object obj</code>, <code>Object config</code> ) : Object <div class="mdesc"><div class="short">Copies all the properties of config to obj if they don't already exist.</div><div class="long">Copies all the properties of config to obj if they don't already exist. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>obj</code> : Object<div class="sub-desc">The receiver of the properties</div></li><li><code>config</code> : Object<div class="sub-desc">The source of the properties</div></li> </ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc">returns obj</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-decode"></a><b>decode</b>() : void <div class="mdesc"><div class="short">Shorthand for <a ext:cls="Ext.util.JSON" ext:member="decode" href="output/Ext.util.JSON.html#decode">Ext.util.JSON.decode</a></div><div class="long">Shorthand for <a ext:cls="Ext.util.JSON" ext:member="decode" href="output/Ext.util.JSON.html#decode">Ext.util.JSON.decode</a> <div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-destroy"></a><b>destroy</b>( <code>Mixed arg1</code>, <span class="optional" title="Optional">[<code>Mixed arg2</code>]</span>, <span class="optional" title="Optional">[<code>Mixed etc...</code>]</span> ) : void <div class="mdesc"><div class="short">Attempts to destroy any objects passed to it by removing all event listeners, removing them from theDOM (if applicab...</div><div class="long">Attempts to destroy any objects passed to it by removing all event listeners, removing them from theDOM (if applicable) and calling their destroy functions (if available). This method is primarilyintended for arguments of type <a ext:cls="Ext.Element" href="output/Ext.Element.html">Ext.Element</a> and <a ext:cls="Ext.Component" href="output/Ext.Component.html">Ext.Component</a>, but any subclass of<a ext:cls="Ext.util.Observable" href="output/Ext.util.Observable.html">Ext.util.Observable</a> can be passed in. Any number of elements and/or components can bepassed into this function in a single call as separate arguments. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>arg1</code> : Mixed<div class="sub-desc">An <a ext:cls="Ext.Element" href="output/Ext.Element.html">Ext.Element</a> or <a ext:cls="Ext.Component" href="output/Ext.Component.html">Ext.Component</a> to destroy</div></li><li><code>arg2</code> : Mixed<div class="sub-desc">(optional)</div></li><li><code>etc...</code> : Mixed<div class="sub-desc">(optional)</div></li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-each"></a><b>each</b>( <code>Array/NodeList/Mixed array</code>, <code>Function fn</code>, <code>Object scope</code> ) : void <div class="mdesc"><div class="short">Iterates an array calling the passed function with each item, stopping if your function returns false. If thepassed ...</div><div class="long">Iterates an array calling the passed function with each item, stopping if your function returns false. If thepassed array is not really an array, your function is called once with it.The supplied function is called with (Object item, Number index, Array allItems). <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>array</code> : Array/NodeList/Mixed<div class="sub-desc"></div></li><li><code>fn</code> : Function<div class="sub-desc"></div></li><li><code>scope</code> : Object<div class="sub-desc"></div></li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-encode"></a><b>encode</b>() : void <div class="mdesc"><div class="short">Shorthand for <a ext:cls="Ext.util.JSON" ext:member="encode" href="output/Ext.util.JSON.html#encode">Ext.util.JSON.encode</a></div><div class="long">Shorthand for <a ext:cls="Ext.util.JSON" ext:member="encode" href="output/Ext.util.JSON.html#encode">Ext.util.JSON.encode</a> <div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-escapeRe"></a><b>escapeRe</b>( <code>String str</code> ) : String <div class="mdesc"><div class="short">Escapes the passed string for use in a regular expression</div><div class="long">Escapes the passed string for use in a regular expression <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>str</code> : String<div class="sub-desc"></div></li> </ul><strong>Returns:</strong><ul><li><code>String</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-extend"></a><b>extend</b>( <code>Function subclass</code>, <code>Function superclass</code>, <span class="optional" title="Optional">[<code>Object overrides</code>]</span> ) : Function <div class="mdesc"><div class="short">Extends one class with another class and optionally overrides members with the passed literal. This classalso adds t...</div><div class="long">Extends one class with another class and optionally overrides members with the passed literal. This classalso adds the function "override()" to the class that can be used to overridemembers on an instance. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>subclass</code> : Function<div class="sub-desc">The class inheriting the functionality</div></li><li><code>superclass</code> : Function<div class="sub-desc">The class being extended</div></li><li><code>overrides</code> : Object<div class="sub-desc">(optional) A literal with members which are copied into the subclass'sprototype, and are therefore shared between all instances of the new class.</div></li> </ul><strong>Returns:</strong><ul><li><code>Function</code><div class="sub-desc">The subclass constructor. <p> This function also supports a 2 argument call in which the subclass's constructor is not passed as an argument. In this form, the parameters as as follows:</p><p> <div class="mdetail-params"><ul> <li><code>superclass</code> <div class="sub-desc">The class being extended</div></li> <li><code>overrides</code> <div class="sub-desc">A literal with members which are copied into the subclass's prototype, and are therefore shared between all instance of the new class.<p> This may contain a special member named <tt><b>constructor</b></tt>. This is used to define the constructor of the new class, and is returned. If this property is <i>not</i> specified, a constructor is generated and returned which just calls the superclass's constructor passing on its parameters.</p></div></li> </ul></div></p><p> For example, to create a subclass of the Ext GridPanel: <pre><code> MyGridPanel = Ext.extend(Ext.grid.GridPanel, { constructor: function(config) { // Your preprocessing here MyGridPanel.superclass.constructor.apply(this, arguments); // Your postprocessing here }, yourMethod: function() { // etc. } }); </code></pre> </p></div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-fly"></a><b>fly</b>( <code>String/HTMLElement el</code>, <span class="optional" title="Optional">[<code>String named</code>]</span> ) : Element <div class="mdesc"><div class="short"><static> Gets the globally shared flyweight Element, with the passed node as the active element. Do not store a...</div><div class="long"><static> Gets the globally shared flyweight Element, with the passed node as the active element. Do not store a reference to this element -the dom node can be overwritten by other code.Shorthand of <a ext:cls="Ext.Element" ext:member="fly" href="output/Ext.Element.html#fly">Ext.Element.fly</a> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>el</code> : String/HTMLElement<div class="sub-desc">The dom node or id</div></li><li><code>named</code> : String<div class="sub-desc">(optional) Allows for creation of named reusable flyweights toprevent conflicts (e.g. internally Ext uses "_internal")</div></li> </ul><strong>Returns:</strong><ul><li><code>Element</code><div class="sub-desc">The shared Element object</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-get"></a><b>get</b>( <code>Mixed el</code> ) : Element <div class="mdesc"><div class="short">Static method to retrieve Element objects. Uses simple caching to consistently return the same object.Automatically ...</div><div class="long">Static method to retrieve Element objects. Uses simple caching to consistently return the same object.Automatically fixes if an object was recreated with the same id via AJAX or DOM.Shorthand of <a ext:cls="Ext.Element" ext:member="get" href="output/Ext.Element.html#get">Ext.Element.get</a> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>el</code> : Mixed<div class="sub-desc">The id of the node, a DOM Node or an existing Element.</div></li> </ul><strong>Returns:</strong><ul><li><code>Element</code><div class="sub-desc">The Element object</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-getBody"></a><b>getBody</b>() : Ext.Element <div class="mdesc"><div class="short">Returns the current document body as an <a ext:cls="Ext.Element" href="output/Ext.Element.html">Ext.Element</a>.</div><div class="long">Returns the current document body as an <a ext:cls="Ext.Element" href="output/Ext.Element.html">Ext.Element</a>. <div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li> </ul><strong>Returns:</strong><ul><li><code>Ext.Element</code><div class="sub-desc">The document body</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-getCmp"></a><b>getCmp</b>( <code>String id</code> ) : Ext.Component <div class="mdesc"><div class="short">Shorthand for <a ext:cls="Ext.ComponentMgr" ext:member="get" href="output/Ext.ComponentMgr.html#get">Ext.ComponentMgr.get</a></div><div class="long">Shorthand for <a ext:cls="Ext.ComponentMgr" ext:member="get" href="output/Ext.ComponentMgr.html#get">Ext.ComponentMgr.get</a> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>id</code> : String<div class="sub-desc"></div></li> </ul><strong>Returns:</strong><ul><li><code>Ext.Component</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-getDoc"></a><b>getDoc</b>() : Ext.Element <div class="mdesc"><div class="short">Returns the current HTML document object as an <a ext:cls="Ext.Element" href="output/Ext.Element.html">Ext.Element</a>.</div><div class="long">Returns the current HTML document object as an <a ext:cls="Ext.Element" href="output/Ext.Element.html">Ext.Element</a>. <div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li> </ul><strong>Returns:</strong><ul><li><code>Ext.Element</code><div class="sub-desc">The document</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-getDom"></a><b>getDom</b>( <code>Mixed el</code> ) : HTMLElement <div class="mdesc"><div class="short">Return the dom node for the passed string (id), dom node, or Ext.Element</div><div class="long">Return the dom node for the passed string (id), dom node, or Ext.Element <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>el</code> : Mixed<div class="sub-desc"></div></li> </ul><strong>Returns:</strong><ul><li><code>HTMLElement</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-id"></a><b>id</b>( <span class="optional" title="Optional">[<code>Mixed el</code>]</span>, <span class="optional" title="Optional">[<code>String prefix</code>]</span> ) : String <div class="mdesc"><div class="short">Generates unique ids. If the element already has an id, it is unchanged</div><div class="long">Generates unique ids. If the element already has an id, it is unchanged <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>el</code> : Mixed<div class="sub-desc">(optional) The element to generate an id for</div></li><li><code>prefix</code> : String<div class="sub-desc">(optional) Id prefix (defaults "ext-gen")</div></li> </ul><strong>Returns:</strong><ul><li><code>String</code><div class="sub-desc">The generated Id.</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-isEmpty"></a><b>isEmpty</b>( <code>Mixed value</code>, <span class="optional" title="Optional">[<code>Boolean allowBlank</code>]</span> ) : Boolean <div class="mdesc"><div class="short">Returns true if the passed value is null, undefined or an empty string (optional).</div><div class="long">Returns true if the passed value is null, undefined or an empty string (optional). <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>value</code> : Mixed<div class="sub-desc">The value to test</div></li><li><code>allowBlank</code> : Boolean<div class="sub-desc">(optional) Pass true if an empty string is not considered empty</div></li> </ul><strong>Returns:</strong><ul><li><code>Boolean</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-namespace"></a><b>namespace</b>( <code>String namespace1</code>, <code>String namespace2</code>, <code>String etc</code> ) : void <div class="mdesc"><div class="short">Creates namespaces to be used for scoping variables and classes so that they are not global. Usage:Ext.namespace('C...</div><div class="long">Creates namespaces to be used for scoping variables and classes so that they are not global. Usage:<pre><code>Ext.namespace(<em>'Company'</em>, <em>'Company.data'</em>);Company.Widget = <b>function</b>() { ... }Company.data.CustomStore = <b>function</b>(config) { ... }</code></pre> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>namespace1</code> : String<div class="sub-desc"></div></li><li><code>namespace2</code> : String<div class="sub-desc"></div></li><li><code>etc</code> : String<div class="sub-desc"></div></li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-num"></a><b>num</b>( <code>Mixed value</code>, <code>Number defaultValue</code> ) : Number <div class="mdesc"><div class="short">Utility method for validating that a value is numeric, returning the specified default value if it is not.</div><div class="long">Utility method for validating that a value is numeric, returning the specified default value if it is not. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>value</code> : Mixed<div class="sub-desc">Should be a number, but any type will be handled appropriately</div></li><li><code>defaultValue</code> : Number<div class="sub-desc">The value to return if the original value is non-numeric</div></li> </ul><strong>Returns:</strong><ul><li><code>Number</code><div class="sub-desc">Value, if numeric, else defaultValue</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-onReady"></a><b>onReady</b>( <code>Function fn</code>, <code>Object scope</code>, <code>boolean override</code> ) : void <div class="mdesc"><div class="short">Fires when the document is ready (before onload and before images are loaded). Shorthand of Ext.EventManager.onDocum...</div><div class="long">Fires when the document is ready (before onload and before images are loaded). Shorthand of <a ext:cls="Ext.EventManager" ext:member="onDocumentReady" href="output/Ext.EventManager.html#onDocumentReady">Ext.EventManager.onDocumentReady</a>. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>fn</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">An object that becomes the scope of the handler</div></li><li><code>override</code> : boolean<div class="sub-desc">If true, the obj passed in becomesthe execution scope of the listener</div></li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-override"></a><b>override</b>( <code>Object origclass</code>, <code>Object overrides</code> ) : void <div class="mdesc"><div class="short">Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name....</div><div class="long">Adds a list of functions to the prototype of an existing class, overwriting any existing methods with the same name.Usage:<pre><code>Ext.override(MyClass, {newMethod1: <b>function</b>(){<i>// etc.</i>},newMethod2: <b>function</b>(foo){<i>// etc.</i>}});</code></pre> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>origclass</code> : Object<div class="sub-desc">The class to override</div></li><li><code>overrides</code> : Object<div class="sub-desc">The list of functions to add to origClass. This should be specified as an object literalcontaining one or more methods.</div></li> </ul><strong>Returns:</strong><ul><li><code>void</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-query"></a><b>query</b>( <code>String path</code>, <span class="optional" title="Optional">[<code>Node root</code>]</span> ) : Array <div class="mdesc"><div class="short">Selects an array of DOM nodes by CSS/XPath selector. Shorthand of <a ext:cls="Ext.DomQuery" ext:member="select" href="output/Ext.DomQuery.html#select">Ext.DomQuery.select</a></div><div class="long">Selects an array of DOM nodes by CSS/XPath selector. Shorthand of <a ext:cls="Ext.DomQuery" ext:member="select" href="output/Ext.DomQuery.html#select">Ext.DomQuery.select</a> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>path</code> : String<div class="sub-desc">The selector/xpath query</div></li><li><code>root</code> : Node<div class="sub-desc">(optional) The start of the query (defaults to document).</div></li> </ul><strong>Returns:</strong><ul><li><code>Array</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-select"></a><b>select</b>( <code>String/Array selector</code>, <span class="optional" title="Optional">[<code>Boolean unique</code>]</span>, <span class="optional" title="Optional">[<code>HTMLElement/String root</code>]</span> ) : CompositeElementLite/CompositeElement <div class="mdesc"><div class="short">Selects elements based on the passed CSS selector to enable working on them as 1.</div><div class="long">Selects elements based on the passed CSS selector to enable working on them as 1. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>selector</code> : String/Array<div class="sub-desc">The CSS selector or an array of elements</div></li><li><code>unique</code> : Boolean<div class="sub-desc">(optional) true to create a unique Ext.Element for each element (defaults to a shared flyweight object)</div></li><li><code>root</code> : HTMLElement/String<div class="sub-desc">(optional) The root element of the query or id of the root</div></li> </ul><strong>Returns:</strong><ul><li><code>CompositeElementLite/CompositeElement</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-type"></a><b>type</b>( <code>Mixed object</code> ) : String <div class="mdesc"><div class="short">Returns the type of object that is passed in. If the object passed in is null or undefined itreturn false otherwise ...</div><div class="long">Returns the type of object that is passed in. If the object passed in is null or undefined itreturn false otherwise it returns one of the following values:<ul><li><b>string</b>: If the object passed is a string</li><li><b>number</b>: If the object passed is a number</li><li><b>boolean</b>: If the object passed is a boolean value</li><li><b>function</b>: If the object passed is a function reference</li><li><b>object</b>: If the object passed is an object</li><li><b>array</b>: If the object passed is an array</li><li><b>regexp</b>: If the object passed is a regular expression</li><li><b>element</b>: If the object passed is a DOM Element</li><li><b>nodelist</b>: If the object passed is a DOM NodeList</li><li><b>textnode</b>: If the object passed is a DOM text node and contains something other than whitespace</li><li><b>whitespace</b>: If the object passed is a DOM text node and contains only whitespace</li> <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>object</code> : Mixed<div class="sub-desc"></div></li> </ul><strong>Returns:</strong><ul><li><code>String</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-urlDecode"></a><b>urlDecode</b>( <code>String string</code>, <span class="optional" title="Optional">[<code>Boolean overwrite</code>]</span> ) : Object <div class="mdesc"><div class="short">Takes an encoded URL and and converts it to an object. e.g. Ext.urlDecode("foo=1&bar=2"); would return {foo: 1, bar: ...</div><div class="long">Takes an encoded URL and and converts it to an object. e.g. Ext.urlDecode("foo=1&bar=2"); would return {foo: 1, bar: 2} or Ext.urlDecode("foo=1&bar=2&bar=3&bar=4", true); would return {foo: 1, bar: [2, 3, 4]}. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>string</code> : String<div class="sub-desc"></div></li><li><code>overwrite</code> : Boolean<div class="sub-desc">(optional) Items of the same name will overwrite previous values instead of creating an an array (Defaults to false).</div></li> </ul><strong>Returns:</strong><ul><li><code>Object</code><div class="sub-desc">A literal with members</div></li></ul></div></div></div></td><td class="msource">Ext</td></tr><tr class="method-row alt expandable"><td class="micon"><a class="exi" href="#expand"> </a></td><td class="sig"><a id="Ext-urlEncode"></a><b>urlEncode</b>( <code>Object o</code> ) : String <div class="mdesc"><div class="short">Takes an object and converts it to an encoded URL. e.g. Ext.urlEncode({foo: 1, bar: 2}); would return "foo=1&bar=2". ...</div><div class="long">Takes an object and converts it to an encoded URL. e.g. Ext.urlEncode({foo: 1, bar: 2}); would return "foo=1&bar=2". Optionally, property values can be arrays, instead of keys and the resulting string that's returned will contain a name/value pair for each array value. <div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>o</code> : Object<div class="sub-desc"></div></li> </ul><strong>Returns:</strong><ul><li><code>String</code></li></ul></div></div></div></td><td class="msource">Ext</td></tr></table><a id="Ext-events"></a><h2>Public Events</h2><div class="no-members">This class has no public events.</div></div>