What is the name of the event that fires when all the DOM objects have been loaded but before all images are loaded and before the onLoad event?

The _____ organizes its children horizontally across the container.

True or False. There can only be one locked column.

How would a developer set a control to hidden in Ext?

Extjs 4.x is Sencha's latest JavaScript framework for developing cross-platform web applications

Which of the following parameter type(s) is a valid renderTo config option value?

True or False. The constrainTo option is only applicable to 'floating' components.

Which of the following xtype(s) defines a grid panel?

The correct syntax to change a theme programmatically is:

Which of the following is not a subclass of Ext.grid.column.Column?

What is the method to create a class in ExtJS 4.*?