Ext.onReady vs MODx.on('ready',...

Finding package with signature: elrte-0.0.1-beta2
Package found. Preparing to uninstall.
Skipping modCategory object (data object does not exist and cannot be removed): Array ( [category] => elRTE )
Removed modPluginEvent instance with primary key Array ( [0] => 4 [1] => OnRichTextBrowserInit )
Removed modPluginEvent instance with primary key Array ( [0] => 4 [1] => OnRichTextEditorInit )
Removed modPluginEvent instance with primary key Array ( [0] => 4 [1] => OnRichTextEditorRegister )
Removed modPlugin instance with primary key 4
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 1 [event] => OnRichTextBrowserInit )
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 1 [event] => OnRichTextEditorInit )
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 1 [event] => OnRichTextEditorRegister )
Removed modNamespace instance with primary key elrte
Package successfully uninstalled with signature: elrte-0.0.1-beta2

Console running...
Finding package with signature: elrte-0.0.1-beta3
Package found. Preparing to uninstall.
Removed modCategoryClosure instance with primary key Array ( [0] => 4 [1] => 4 ) 
Removed modCategoryClosure instance with primary key Array ( [0] => 0 [1] => 4 ) 
Removed modCategory instance with primary key 4
Removing files in file resolver: /var/www/modx/core//components/elrte
Removed modPluginEvent instance with primary key Array ( [0] => 5 [1] => OnRichTextBrowserInit ) 
Removed modPluginEvent instance with primary key Array ( [0] => 5 [1] => OnRichTextEditorInit ) 
Removed modPluginEvent instance with primary key Array ( [0] => 5 [1] => OnRichTextEditorRegister ) 
Removed modPlugin instance with primary key 5
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 8 [event] => OnRichTextBrowserInit ) 
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 8 [event] => OnRichTextEditorInit ) 
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 8 [event] => OnRichTextEditorRegister ) 
Removed modNamespace instance with primary key elrte
Package successfully uninstalled with signature: elrte-0.0.1-beta3

Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 8 [event] => OnRichTextBrowserInit ) 
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 8 [event] => OnRichTextEditorInit ) 
Skipping modPluginEvent object (data object does not exist and cannot be removed): Array ( [pluginid] => 8 [event] => OnRichTextEditorRegister )