Using the responsive design plugin
Another new capability introduced in Ext JS 5 is the option to develop responsive applications. Mobile devices are part of our lives. We basically have a computer in our pockets. It is very common nowadays to have tablet or mobile compatible as an item listed in a user requirements document. Fortunately, Ext JS 5 provides good support and allows us to achieve this requirement without too much effort.
Ext JS 5 introduces the responsive plugin and mixin. The plugin can be used in any component, and the mixin can be used in any other class. This plugin responds dynamically to changes in screen size and orientation by controlling responsiveConfig.
For example, let's do a quick example in our project. If the width of ...
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