Upgrade to ExtJS 3.3.0 - Released 10/06/2010
[extjs.git] / docs / output / Ext.chart.LineChart.html
index 1105793..2def401 100644 (file)
@@ -1,4 +1,4 @@
-<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.chart.LineChart-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.chart.LineChart-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.chart.LineChart-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.chart.LineChart-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.chart.LineChart"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.Component.html" ext:member="" ext:cls="Ext.Component">Component</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.BoxComponent.html" ext:member="" ext:cls="Ext.BoxComponent">BoxComponent</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.FlashComponent.html" ext:member="" ext:cls="Ext.FlashComponent">FlashComponent</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.chart.Chart.html" ext:member="" ext:cls="Ext.chart.Chart">Chart</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.chart.CartesianChart.html" ext:member="" ext:cls="Ext.chart.CartesianChart">CartesianChart</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif">LineChart</pre></div><h1>Class <a href="source/Chart.html#cls-Ext.chart.LineChart">Ext.chart.LineChart</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.chart</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="source/Chart.html#cls-Ext.chart.LineChart">Chart.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/Chart.html#cls-Ext.chart.LineChart">LineChart</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.chart.CartesianChart.html" ext:cls="Ext.chart.CartesianChart" ext:member="">CartesianChart</a></td></tr></table><div class="description"></div><div class="hr"></div><a id="Ext.chart.LineChart-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-allowDomMove"></a><b><a href="source/Component.html#cfg-Ext.Component-allowDomMove">allowDomMove</a></b> : Boolean<div class="mdesc">Whether the component can move the Dom node when rendering (defaults to true).</div></td><td class="msource"><a href="output/Ext.Component.html#allowDomMove" ext:member="#allowDomMove" ext:cls="Ext.Component">Component</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.BoxComponent-anchor"></a><b><a href="source/BoxComponent.html#cfg-Ext.BoxComponent-anchor">anchor</a></b> : String<div class="mdesc"><div class="short">Note: this config is only used when this Component is rendered
+<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.chart.LineChart-props"><img src="resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.chart.LineChart-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.chart.LineChart-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.chart.LineChart-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.chart.LineChart"><img src="resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.util.Observable.html" ext:member="" ext:cls="Ext.util.Observable">Observable</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.Component.html" ext:member="" ext:cls="Ext.Component">Component</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.BoxComponent.html" ext:member="" ext:cls="Ext.BoxComponent">BoxComponent</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.FlashComponent.html" ext:member="" ext:cls="Ext.FlashComponent">FlashComponent</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.chart.Chart.html" ext:member="" ext:cls="Ext.chart.Chart">Chart</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.chart.CartesianChart.html" ext:member="" ext:cls="Ext.chart.CartesianChart">CartesianChart</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif">LineChart</pre></div><h1>Class <a href="source/Chart.html#cls-Ext.chart.LineChart">Ext.chart.LineChart</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.chart</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="source/Chart.html#cls-Ext.chart.LineChart">Chart.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/Chart.html#cls-Ext.chart.LineChart">LineChart</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.chart.CartesianChart.html" ext:cls="Ext.chart.CartesianChart" ext:member="">CartesianChart</a></td></tr></table><div class="description"></div><div class="hr"></div><a id="Ext.chart.LineChart-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-allowDomMove"></a><b><a href="source/Component.html#cfg-Ext.Component-allowDomMove">allowDomMove</a></b> : Boolean<div class="mdesc">Whether the component can move the Dom node when rendering (defaults to true).</div></td><td class="msource"><a href="output/Ext.Component.html#allowDomMove" ext:member="#allowDomMove" ext:cls="Ext.Component">Component</a></td></tr><tr class="config-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.BoxComponent-anchor"></a><b><a href="source/BoxComponent.html#cfg-Ext.BoxComponent-anchor">anchor</a></b> : String<div class="mdesc"><div class="short">Note: this config is only used when this Component is rendered
 by a Container which has been configured to use an Anc...</div><div class="long"><p><b>Note</b>: this config is only used when this Component is rendered
 by a Container which has been configured to use an <b><a href="output/Ext.layout.AnchorLayout.html" ext:cls="Ext.layout.AnchorLayout">AnchorLayout</a> (or subclass thereof).</b>
 based layout manager, for example:<div class="mdetail-params"><ul>
@@ -706,7 +706,12 @@ Or a shorthand syntax:<br>
     :
                                         void<div class="mdesc"><div class="short">Apply this component to existing markup that is valid. With this function, no call to render() is required.</div><div class="long">Apply this component to existing markup that is valid. With this function, no call to render() is required.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>el</code> : String/HTMLElement<div class="sub-desc"></div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#applyToMarkup" ext:member="#applyToMarkup" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.chart.Chart-bindStore"></a><b><a href="source/Chart.html#method-Ext.chart.Chart-bindStore">bindStore</a></b>(&nbsp;<code>Store&nbsp;store</code>&nbsp;)
     :
-                                        void<div class="mdesc"><div class="short">Changes the data store bound to this chart and refreshes it.</div><div class="long">Changes the data store bound to this chart and refreshes it.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>store</code> : Store<div class="sub-desc">The store to bind to this chart</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.chart.Chart.html#bindStore" ext:member="#bindStore" ext:cls="Ext.chart.Chart">Chart</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-cloneConfig"></a><b><a href="source/Component.html#method-Ext.Component-cloneConfig">cloneConfig</a></b>(&nbsp;<code>Object&nbsp;overrides</code>&nbsp;)
+                                        void<div class="mdesc"><div class="short">Changes the data store bound to this chart and refreshes it.</div><div class="long">Changes the data store bound to this chart and refreshes it.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>store</code> : Store<div class="sub-desc">The store to bind to this chart</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.chart.Chart.html#bindStore" ext:member="#bindStore" ext:cls="Ext.chart.Chart">Chart</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-bubble"></a><b><a href="source/Component.html#method-Ext.Component-bubble">bubble</a></b>(&nbsp;<code>Function&nbsp;fn</code>,&nbsp;<span title="Optional" class="optional">[<code>Object&nbsp;scope</code>]</span>,&nbsp;<span title="Optional" class="optional">[<code>Array&nbsp;args</code>]</span>&nbsp;)
+    :
+                                        Ext.Component<div class="mdesc"><div class="short">Bubbles up the component/container heirarchy, calling the specified function with each component. The scope (this) of...</div><div class="long">Bubbles up the component/container heirarchy, calling the specified function with each component. The scope (<i>this</i>) of
+function call will be the scope provided or the current component. The arguments to the function
+will be the args provided or the current component. If the function returns false at any point,
+the bubble is stopped.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>fn</code> : Function<div class="sub-desc">The function to call</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope of the function (defaults to current node)</div></li><li><code>args</code> : Array<div class="sub-desc">(optional) The args to call the function with (default to passing the current component)</div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Component</code><div class="sub-desc">this</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#bubble" ext:member="#bubble" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-cloneConfig"></a><b><a href="source/Component.html#method-Ext.Component-cloneConfig">cloneConfig</a></b>(&nbsp;<code>Object&nbsp;overrides</code>&nbsp;)
     :
                                         Ext.Component<div class="mdesc"><div class="short">Clone the current component using the original config values passed into this instance by default.</div><div class="long">Clone the current component using the original config values passed into this instance by default.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>overrides</code> : Object<div class="sub-desc">A new config containing any properties to override in the cloned version.
 An id property can be passed on this object, otherwise one will be generated to avoid duplicates.</div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Component</code><div class="sub-desc">clone The cloned copy of this component</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#cloneConfig" ext:member="#cloneConfig" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-destroy"></a><b><a href="source/Component.html#method-Ext.Component-destroy">destroy</a></b>()
@@ -757,9 +762,11 @@ access the required target more quickly.</p>
     :
                                         Ext.Container<div class="mdesc"><div class="short">Find a container above this component at any level by a custom function. If the passed function returns
 true, the con...</div><div class="long">Find a container above this component at any level by a custom function. If the passed function returns
-true, the container will be returned.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>fn</code> : Function<div class="sub-desc">The custom function to call with the arguments (container, this component).</div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Container</code><div class="sub-desc">The first Container for which the custom function returns true</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#findParentBy" ext:member="#findParentBy" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-findParentByType"></a><b><a href="source/Component.html#method-Ext.Component-findParentByType">findParentByType</a></b>(&nbsp;<code>String/Class&nbsp;xtype</code>&nbsp;)
+true, the container will be returned.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>fn</code> : Function<div class="sub-desc">The custom function to call with the arguments (container, this component).</div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Container</code><div class="sub-desc">The first Container for which the custom function returns true</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#findParentBy" ext:member="#findParentBy" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-findParentByType"></a><b><a href="source/Component.html#method-Ext.Component-findParentByType">findParentByType</a></b>(&nbsp;<code>String/Ext.Component/Class&nbsp;xtype</code>,&nbsp;<span title="Optional" class="optional">[<code>Boolean&nbsp;shallow</code>]</span>&nbsp;)
     :
-                                        Ext.Container<div class="mdesc"><div class="short">Find a container above this component at any level by xtype or class</div><div class="long">Find a container above this component at any level by xtype or class<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>xtype</code> : String/Class<div class="sub-desc">The xtype string for a component, or the class of the component directly</div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Container</code><div class="sub-desc">The first Container which matches the given xtype or class</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#findParentByType" ext:member="#findParentByType" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)
+                                        Ext.Container<div class="mdesc"><div class="short">Find a container above this component at any level by xtype or class</div><div class="long">Find a container above this component at any level by xtype or class<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>xtype</code> : String/Ext.Component/Class<div class="sub-desc">The xtype to check for this Component. Note that the the component can either be an instance
+or a component class:</div></li><li><code>shallow</code> : Boolean<div class="sub-desc">(optional) False to check whether this Component is descended from the xtype (this is
+the default), or true to check whether this Component is directly of the specified xtype.</div></li></ul><strong>Returns:</strong><ul><li><code>Ext.Container</code><div class="sub-desc">The first Container which matches the given xtype or class</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#findParentByType" ext:member="#findParentByType" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.util.Observable-fireEvent"></a><b><a href="source/Observable.html#method-Ext.util.Observable-fireEvent">fireEvent</a></b>(&nbsp;<code>String&nbsp;eventName</code>,&nbsp;<code>Object...&nbsp;args</code>&nbsp;)
     :
                                         Boolean<div class="mdesc"><div class="short">Fires the specified event with the passed parameters (minus the event name).
 An event may be set to bubble up an Obse...</div><div class="long"><p>Fires the specified event with the passed parameters (minus the event name).</p>
@@ -843,7 +850,7 @@ false to cancel hiding the component.  Fires the 'h...</div><div class="long">Hi
 event after hiding the component. Note this method is called internally if
 the component is configured to be <code><a href="output/Ext.Component.html#Ext.Component-hidden" ext:member="hidden" ext:cls="Ext.Component">hidden</a></code>.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Ext.Component</code><div class="sub-desc">this</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#hide" ext:member="#hide" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-isVisible"></a><b><a href="source/Component.html#method-Ext.Component-isVisible">isVisible</a></b>()
     :
-                                        Boolean<div class="mdesc"><div class="short">Returns true if this component is visible.</div><div class="long">Returns true if this component is visible.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if this component is visible, false otherwise.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#isVisible" ext:member="#isVisible" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-isXType"></a><b><a href="source/Component.html#method-Ext.Component-isXType">isXType</a></b>(&nbsp;<code>String&nbsp;xtype</code>,&nbsp;<span title="Optional" class="optional">[<code>Boolean&nbsp;shallow</code>]</span>&nbsp;)
+                                        Boolean<div class="mdesc"><div class="short">Returns true if this component is visible.</div><div class="long">Returns true if this component is visible.<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if this component is visible, false otherwise.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#isVisible" ext:member="#isVisible" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-isXType"></a><b><a href="source/Component.html#method-Ext.Component-isXType">isXType</a></b>(&nbsp;<code>String/Ext.Component/Class&nbsp;xtype</code>,&nbsp;<span title="Optional" class="optional">[<code>Boolean&nbsp;shallow</code>]</span>&nbsp;)
     :
                                         Boolean<div class="mdesc"><div class="short">Tests whether or not this Component is of a specific xtype. This can test whether this Component is descended
 from th...</div><div class="long"><p>Tests whether or not this Component is of a specific xtype. This can test whether this Component is descended
@@ -855,7 +862,11 @@ to participate in determination of inherited xtypes.</b></p>
 <pre><code><b>var</b> t = <b>new</b> Ext.form.TextField();
 <b>var</b> isText = t.isXType(<em>'textfield'</em>);        <i>// true</i>
 <b>var</b> isBoxSubclass = t.isXType(<em>'box'</em>);       <i>// true, descended from BoxComponent</i>
-<b>var</b> isBoxInstance = t.isXType(<em>'box'</em>, true); <i>// false, not a direct BoxComponent instance</i></code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>xtype</code> : String<div class="sub-desc">The xtype to check for this Component</div></li><li><code>shallow</code> : Boolean<div class="sub-desc">(optional) False to check whether this Component is descended from the xtype (this is
+<b>var</b> isBoxInstance = t.isXType(<em>'box'</em>, true); <i>// false, not a direct BoxComponent instance</i></code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>xtype</code> : String/Ext.Component/Class<div class="sub-desc">The xtype to check for this Component. Note that the the component can either be an instance
+or a component class:
+<pre><code><b>var</b> c = <b>new</b> Ext.Component();
+console.log(c.isXType(c));
+console.log(c.isXType(Ext.Component));</code></pre></div></li><li><code>shallow</code> : Boolean<div class="sub-desc">(optional) False to check whether this Component is descended from the xtype (this is
 the default), or true to check whether this Component is directly of the specified xtype.</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if this component descends from the specified xtype, false otherwise.</div></li></ul></div></div></div></td><td class="msource"><a href="output/Ext.Component.html#isXType" ext:member="#isXType" ext:cls="Ext.Component">Component</a></td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.Component-mon"></a><b><a href="source/Component.html#method-Ext.Component-mon">mon</a></b>(&nbsp;<code>Observable|Element&nbsp;item</code>,&nbsp;<code>Object|String&nbsp;ename</code>,&nbsp;<code>Function&nbsp;fn</code>,&nbsp;<code>Object&nbsp;scope</code>,&nbsp;<code>Object&nbsp;opt</code>&nbsp;)
     :
                                         void<div class="mdesc"><div class="short">Adds listeners to any Observable object (or Elements) which are automatically removed when this Component